diff --git a/fixtures/directiveSchemas/baseTypes.graphql b/fixtures/directiveSchemas/baseTypes.graphql
index 37526b6..2ec5fa7 100644
--- a/fixtures/directiveSchemas/baseTypes.graphql
+++ b/fixtures/directiveSchemas/baseTypes.graphql
@@ -10,7 +10,7 @@ type NestedFoo {
 }
 
 enum Bar {
-  MORE @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14)
+  MORE @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14, listArg: ["string"])
   VALUES
   EVERYONE
 }
diff --git a/fixtures/directiveSchemas/directives.graphql b/fixtures/directiveSchemas/directives.graphql
index fc9718b..c14a5c9 100644
--- a/fixtures/directiveSchemas/directives.graphql
+++ b/fixtures/directiveSchemas/directives.graphql
@@ -1,8 +1,9 @@
 """This directive demonstrates using multiple args with multiple types."""
-directive @multiArgAndType(stringArg: String!, booleanArg: Boolean!, intArg: Int!, floatArg: Float!) on ENUM_VALUE | FIELD_DEFINITION | OBJECT
+directive @multiArgAndType(stringArg: String!, booleanArg: Boolean!, intArg: Int!, floatArg: Float!, listArg: [String!]!) on ENUM_VALUE | FIELD_DEFINITION | OBJECT
 
 # This directive demonstrates using no args. And using comment syntax instead
 directive @noArg on ENUM_VALUE | FIELD_DEFINITION | OBJECT
 
 """This directive demonstrates null types."""
-directive @nullArg(stringArg: String) on ENUM_VALUE | FIELD_DEFINITION | INPUT_FIELD_DEFINITION | OBJECT
\ No newline at end of file
+directive @nullArg(stringArg: String) on ENUM_VALUE | FIELD_DEFINITION | INPUT_FIELD_DEFINITION | OBJECT
+
diff --git a/fixtures/directiveSchemas/extendedTypes.graphql b/fixtures/directiveSchemas/extendedTypes.graphql
index 9b9f8eb..d8dfba0 100644
--- a/fixtures/directiveSchemas/extendedTypes.graphql
+++ b/fixtures/directiveSchemas/extendedTypes.graphql
@@ -1,4 +1,4 @@
 extend type NestedFoo {
-  anotherAttribute: String! @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14) @noArg
+  anotherAttribute: String! @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14, listArg: ["string"]) @noArg
   oldAttribute: String! @deprecated(reason: "reason")
 }
\ No newline at end of file
diff --git a/fixtures/expectedOutput/directiveSchemas/printedDefault.graphql b/fixtures/expectedOutput/directiveSchemas/printedDefault.graphql
index 3dd88c5..ee23be9 100644
--- a/fixtures/expectedOutput/directiveSchemas/printedDefault.graphql
+++ b/fixtures/expectedOutput/directiveSchemas/printedDefault.graphql
@@ -1,5 +1,5 @@
 """This directive demonstrates using multiple args with multiple types."""
-directive @multiArgAndType(stringArg: String!, booleanArg: Boolean!, intArg: Int!, floatArg: Float!) on ENUM_VALUE | FIELD_DEFINITION | OBJECT
+directive @multiArgAndType(stringArg: String!, booleanArg: Boolean!, intArg: Int!, floatArg: Float!, listArg: [String!]!) on ENUM_VALUE | FIELD_DEFINITION | OBJECT
 
 """
 This directive demonstrates using no args. And using comment syntax instead
diff --git a/fixtures/expectedOutput/directiveSchemas/printedWithDirectives.graphql b/fixtures/expectedOutput/directiveSchemas/printedWithDirectives.graphql
index f49a6b6..26a8dc8 100644
--- a/fixtures/expectedOutput/directiveSchemas/printedWithDirectives.graphql
+++ b/fixtures/expectedOutput/directiveSchemas/printedWithDirectives.graphql
@@ -1,5 +1,5 @@
 """This directive demonstrates using multiple args with multiple types."""
-directive @multiArgAndType(stringArg: String!, booleanArg: Boolean!, intArg: Int!, floatArg: Float!) on ENUM_VALUE | FIELD_DEFINITION | OBJECT
+directive @multiArgAndType(stringArg: String!, booleanArg: Boolean!, intArg: Int!, floatArg: Float!, listArg: [String!]!) on ENUM_VALUE | FIELD_DEFINITION | OBJECT
 
 """
 This directive demonstrates using no args. And using comment syntax instead
@@ -10,7 +10,7 @@ directive @noArg on ENUM_VALUE | FIELD_DEFINITION | OBJECT
 directive @nullArg(stringArg: String) on ENUM_VALUE | FIELD_DEFINITION | INPUT_FIELD_DEFINITION | OBJECT
 
 enum Bar {
-  MORE @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14)
+  MORE @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14, listArg: ["string"])
   VALUES
   EVERYONE
 }
@@ -28,6 +28,6 @@ input Input {
 type NestedFoo {
   id: ID!
   bar: Bar!
-  anotherAttribute: String! @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14) @noArg
+  anotherAttribute: String! @multiArgAndType(stringArg: "string", booleanArg: true, intArg: 314, floatArg: 3.14, listArg: ["string"]) @noArg
   oldAttribute: String! @deprecated(reason: "reason")
 }
diff --git a/package-lock.json b/package-lock.json
index b017d59..2d2cd8d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "graphql-schema-utilities",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -10,7 +10,7 @@
       "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
       "dev": true,
       "requires": {
-        "@babel/highlight": "7.5.0"
+        "@babel/highlight": "^7.0.0"
       }
     },
     "@babel/highlight": {
@@ -19,9 +19,9 @@
       "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
       "dev": true,
       "requires": {
-        "chalk": "2.4.2",
-        "esutils": "2.0.3",
-        "js-tokens": "4.0.0"
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
       },
       "dependencies": {
         "js-tokens": {
@@ -50,9 +50,9 @@
       "integrity": "sha512-KEzSKuP2+3oOjYYjujue6Z3Yqis5HKA1BsIC+jZ1v3lrRNdsqyNNtX0rQf6LSuI4DJJ2z5UV//zBZCcvM0xikg==",
       "dev": true,
       "requires": {
-        "@types/events": "3.0.0",
-        "@types/minimatch": "3.0.3",
-        "@types/node": "8.10.54"
+        "@types/events": "*",
+        "@types/minimatch": "*",
+        "@types/node": "*"
       }
     },
     "@types/graphql": {
@@ -61,7 +61,7 @@
       "integrity": "sha512-MOkzsEp1Jk5bXuAsHsUi6BVv0zCO+7/2PTiZMXWDSsMXvNU6w/PLMQT2vHn8hy2i0JqojPz1Sz6rsFjHtsU0lA==",
       "dev": true,
       "requires": {
-        "graphql": "14.5.8"
+        "graphql": "*"
       }
     },
     "@types/lab": {
@@ -82,7 +82,7 @@
       "integrity": "sha512-U5icWpv7YnZYGsN4/cmh3WD2onMY0aJIiTE6+51TwJCttdHvtCYmkBNOobHlXwrJRL0nkH9jH4kD+1FAdMN4Tg==",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.54"
+        "@types/node": "*"
       }
     },
     "@types/node": {
@@ -102,7 +102,7 @@
       "resolved": "https://registry.npmjs.org/@wry/equality/-/equality-0.1.9.tgz",
       "integrity": "sha512-mB6ceGjpMGz1ZTza8HYnrPGos2mC6So4NhS1PtZ8s4Qt0K7fBiIGhpSxUbQmhwcSWE3no+bYxmI2OL6KuXYmoQ==",
       "requires": {
-        "tslib": "1.10.0"
+        "tslib": "^1.9.3"
       }
     },
     "acorn": {
@@ -117,7 +117,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "3.3.0"
+        "acorn": "^3.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -134,10 +134,10 @@
       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.1.0",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.3.1"
+        "co": "^4.6.0",
+        "fast-deep-equal": "^1.0.0",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.3.0"
       }
     },
     "ajv-keywords": {
@@ -163,7 +163,7 @@
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
       "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
       "requires": {
-        "color-convert": "1.9.3"
+        "color-convert": "^1.9.0"
       }
     },
     "apollo-link": {
@@ -171,10 +171,10 @@
       "resolved": "https://registry.npmjs.org/apollo-link/-/apollo-link-1.2.13.tgz",
       "integrity": "sha512-+iBMcYeevMm1JpYgwDEIDt/y0BB7VWyvlm/7x+TIPNLHCTCMgcEgDuW5kH86iQZWo0I7mNwQiTOz+/3ShPFmBw==",
       "requires": {
-        "apollo-utilities": "1.3.2",
-        "ts-invariant": "0.4.4",
-        "tslib": "1.10.0",
-        "zen-observable-ts": "0.8.20"
+        "apollo-utilities": "^1.3.0",
+        "ts-invariant": "^0.4.0",
+        "tslib": "^1.9.3",
+        "zen-observable-ts": "^0.8.20"
       }
     },
     "apollo-utilities": {
@@ -182,10 +182,10 @@
       "resolved": "https://registry.npmjs.org/apollo-utilities/-/apollo-utilities-1.3.2.tgz",
       "integrity": "sha512-JWNHj8XChz7S4OZghV6yc9FNnzEXj285QYp/nLNh943iObycI5GTDO3NGR9Dth12LRrSFMeDOConPfPln+WGfg==",
       "requires": {
-        "@wry/equality": "0.1.9",
-        "fast-json-stable-stringify": "2.0.0",
-        "ts-invariant": "0.4.4",
-        "tslib": "1.10.0"
+        "@wry/equality": "^0.1.2",
+        "fast-json-stable-stringify": "^2.0.0",
+        "ts-invariant": "^0.4.0",
+        "tslib": "^1.9.3"
       }
     },
     "argparse": {
@@ -194,7 +194,7 @@
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "babel-code-frame": {
@@ -203,9 +203,9 @@
       "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
-        "esutils": "2.0.3",
-        "js-tokens": "3.0.2"
+        "chalk": "^1.1.3",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.2"
       },
       "dependencies": {
         "ansi-styles": {
@@ -220,11 +220,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "2.2.1",
-            "escape-string-regexp": "1.0.5",
-            "has-ansi": "2.0.0",
-            "strip-ansi": "3.0.1",
-            "supports-color": "2.0.0"
+            "ansi-styles": "^2.2.1",
+            "escape-string-regexp": "^1.0.2",
+            "has-ansi": "^2.0.0",
+            "strip-ansi": "^3.0.0",
+            "supports-color": "^2.0.0"
           }
         },
         "strip-ansi": {
@@ -233,7 +233,7 @@
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "supports-color": {
@@ -255,8 +255,8 @@
       "integrity": "sha1-+a6fJugbQaMY9O4Ng2huSlwlB7k=",
       "dev": true,
       "requires": {
-        "hoek": "4.2.1",
-        "joi": "10.6.0"
+        "hoek": "4.x.x",
+        "joi": "10.x.x"
       }
     },
     "brace-expansion": {
@@ -264,7 +264,7 @@
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -286,7 +286,7 @@
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
       "dev": true,
       "requires": {
-        "callsites": "0.2.0"
+        "callsites": "^0.2.0"
       }
     },
     "callsites": {
@@ -300,9 +300,9 @@
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
       "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
       "requires": {
-        "ansi-styles": "3.2.1",
-        "escape-string-regexp": "1.0.5",
-        "supports-color": "5.5.0"
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
       }
     },
     "chardet": {
@@ -323,7 +323,7 @@
       "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
       "dev": true,
       "requires": {
-        "restore-cursor": "2.0.0"
+        "restore-cursor": "^2.0.0"
       }
     },
     "cli-width": {
@@ -344,7 +344,7 @@
       "integrity": "sha1-IJrRHQWvigwceq9pTZ+k0sfZW4U=",
       "dev": true,
       "requires": {
-        "hoek": "4.2.1"
+        "hoek": "4.x.x"
       }
     },
     "color-convert": {
@@ -376,10 +376,10 @@
       "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
       "dev": true,
       "requires": {
-        "buffer-from": "1.1.1",
-        "inherits": "2.0.4",
-        "readable-stream": "2.3.6",
-        "typedarray": "0.0.6"
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
       }
     },
     "core-util-is": {
@@ -394,9 +394,9 @@
       "integrity": "sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=",
       "dev": true,
       "requires": {
-        "lru-cache": "4.1.5",
-        "shebang-command": "1.2.0",
-        "which": "1.3.1"
+        "lru-cache": "^4.0.1",
+        "shebang-command": "^1.2.0",
+        "which": "^1.2.9"
       }
     },
     "debug": {
@@ -405,7 +405,7 @@
       "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
       "dev": true,
       "requires": {
-        "ms": "2.1.2"
+        "ms": "^2.1.1"
       }
     },
     "deep-is": {
@@ -431,7 +431,7 @@
       "integrity": "sha512-35mSku4ZXK0vfCuHEDAwt55dg2jNajHZ1odvF+8SSr82EsZY4QmXfuWso8oEd8zRhVObSN18aM0CjSdoBX7zIw==",
       "dev": true,
       "requires": {
-        "esutils": "2.0.3"
+        "esutils": "^2.0.2"
       }
     },
     "escape-string-regexp": {
@@ -445,44 +445,44 @@
       "integrity": "sha512-bT3/1x1EbZB7phzYu7vCr1v3ONuzDtX8WjuM9c0iYxe+cq+pwcKEoQjl7zd3RpC6YOLgnSy3cTN58M2jcoPDIQ==",
       "dev": true,
       "requires": {
-        "ajv": "5.5.2",
-        "babel-code-frame": "6.26.0",
-        "chalk": "2.4.2",
-        "concat-stream": "1.6.2",
-        "cross-spawn": "5.1.0",
-        "debug": "3.2.6",
-        "doctrine": "2.1.0",
-        "eslint-scope": "3.7.3",
-        "eslint-visitor-keys": "1.1.0",
-        "espree": "3.5.4",
-        "esquery": "1.0.1",
-        "esutils": "2.0.3",
-        "file-entry-cache": "2.0.0",
-        "functional-red-black-tree": "1.0.1",
-        "glob": "7.1.4",
-        "globals": "11.12.0",
-        "ignore": "3.3.10",
-        "imurmurhash": "0.1.4",
-        "inquirer": "3.3.0",
-        "is-resolvable": "1.1.0",
-        "js-yaml": "3.13.1",
-        "json-stable-stringify-without-jsonify": "1.0.1",
-        "levn": "0.3.0",
-        "lodash": "4.17.15",
-        "minimatch": "3.0.4",
-        "mkdirp": "0.5.1",
-        "natural-compare": "1.4.0",
-        "optionator": "0.8.2",
-        "path-is-inside": "1.0.2",
-        "pluralize": "7.0.0",
-        "progress": "2.0.3",
-        "regexpp": "1.1.0",
-        "require-uncached": "1.0.3",
-        "semver": "5.7.1",
-        "strip-ansi": "4.0.0",
-        "strip-json-comments": "2.0.1",
+        "ajv": "^5.3.0",
+        "babel-code-frame": "^6.22.0",
+        "chalk": "^2.1.0",
+        "concat-stream": "^1.6.0",
+        "cross-spawn": "^5.1.0",
+        "debug": "^3.1.0",
+        "doctrine": "^2.1.0",
+        "eslint-scope": "^3.7.1",
+        "eslint-visitor-keys": "^1.0.0",
+        "espree": "^3.5.4",
+        "esquery": "^1.0.0",
+        "esutils": "^2.0.2",
+        "file-entry-cache": "^2.0.0",
+        "functional-red-black-tree": "^1.0.1",
+        "glob": "^7.1.2",
+        "globals": "^11.0.1",
+        "ignore": "^3.3.3",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^3.0.6",
+        "is-resolvable": "^1.0.0",
+        "js-yaml": "^3.9.1",
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "levn": "^0.3.0",
+        "lodash": "^4.17.4",
+        "minimatch": "^3.0.2",
+        "mkdirp": "^0.5.1",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.2",
+        "path-is-inside": "^1.0.2",
+        "pluralize": "^7.0.0",
+        "progress": "^2.0.0",
+        "regexpp": "^1.0.1",
+        "require-uncached": "^1.0.3",
+        "semver": "^5.3.0",
+        "strip-ansi": "^4.0.0",
+        "strip-json-comments": "~2.0.1",
         "table": "4.0.2",
-        "text-table": "0.2.0"
+        "text-table": "~0.2.0"
       }
     },
     "eslint-config-hapi": {
@@ -497,11 +497,11 @@
       "integrity": "sha512-z1yUoSWArx6pXaC0FoWRFpqjbHn8QWonJiTVhJmiC14jOAT7FZKdKWCkhM4jQrgrkEK9YEv3p2HuzSf5dtWmuQ==",
       "dev": true,
       "requires": {
-        "hapi-capitalize-modules": "1.1.6",
-        "hapi-for-you": "1.0.0",
-        "hapi-no-var": "1.0.1",
-        "hapi-scope-start": "2.1.1",
-        "no-arrowception": "1.0.0"
+        "hapi-capitalize-modules": "1.x.x",
+        "hapi-for-you": "1.x.x",
+        "hapi-no-var": "1.x.x",
+        "hapi-scope-start": "2.x.x",
+        "no-arrowception": "1.x.x"
       }
     },
     "eslint-scope": {
@@ -510,8 +510,8 @@
       "integrity": "sha512-W+B0SvF4gamyCTmUc+uITPY0989iXVfKvhwtmJocTaYoc/3khEHmEmvfY/Gn9HA9VV75jrQECsHizkNw1b68FA==",
       "dev": true,
       "requires": {
-        "esrecurse": "4.2.1",
-        "estraverse": "4.3.0"
+        "esrecurse": "^4.1.0",
+        "estraverse": "^4.1.1"
       }
     },
     "eslint-visitor-keys": {
@@ -526,8 +526,8 @@
       "integrity": "sha512-yAcIQxtmMiB/jL32dzEp2enBeidsB7xWPLNiw3IIkpVds1P+h7qF9YwJq1yUNzp2OKXgAprs4F61ih66UsoD1A==",
       "dev": true,
       "requires": {
-        "acorn": "5.7.3",
-        "acorn-jsx": "3.0.1"
+        "acorn": "^5.5.0",
+        "acorn-jsx": "^3.0.0"
       }
     },
     "esprima": {
@@ -542,7 +542,7 @@
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@@ -1373,7 +1373,7 @@
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
       "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
       "requires": {
-        "has-flag": "3.0.0"
+        "has-flag": "^3.0.0"
       }
     },
     "table": {
@@ -1382,12 +1382,12 @@
       "integrity": "sha512-UUkEAPdSGxtRpiV9ozJ5cMTtYiqz7Ni1OGqLXRCynrvzdtR1p+cfOWe2RJLwvUG8hNanaSRjecIqwOjqeatDsA==",
       "dev": true,
       "requires": {
-        "ajv": "5.5.2",
-        "ajv-keywords": "2.1.1",
-        "chalk": "2.4.2",
-        "lodash": "4.17.15",
+        "ajv": "^5.2.3",
+        "ajv-keywords": "^2.1.0",
+        "chalk": "^2.1.0",
+        "lodash": "^4.17.4",
         "slice-ansi": "1.0.0",
-        "string-width": "2.1.1"
+        "string-width": "^2.1.1"
       }
     },
     "text-table": {
@@ -1408,7 +1408,7 @@
       "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
       "dev": true,
       "requires": {
-        "os-tmpdir": "1.0.2"
+        "os-tmpdir": "~1.0.2"
       }
     },
     "topo": {
@@ -1417,7 +1417,7 @@
       "integrity": "sha1-zVYVdSU5BXwNwEkaYhw7xvvh0YI=",
       "dev": true,
       "requires": {
-        "hoek": "4.2.1"
+        "hoek": "4.x.x"
       }
     },
     "ts-invariant": {
@@ -1425,7 +1425,7 @@
       "resolved": "https://registry.npmjs.org/ts-invariant/-/ts-invariant-0.4.4.tgz",
       "integrity": "sha512-uEtWkFM/sdZvRNNDL3Ehu4WVpwaulhwQszV8mrtcdeE8nN00BV9mAmQ88RkrBhFgl9gMgvjJLAQcZbnPXI9mlA==",
       "requires": {
-        "tslib": "1.10.0"
+        "tslib": "^1.9.3"
       }
     },
     "tslib": {
@@ -1439,19 +1439,19 @@
       "integrity": "sha512-2vqIvkMHbnx8acMogAERQ/IuINOq6DFqgF8/VDvhEkBqQh/x6SP0Y+OHnKth9/ZcHQSroOZwUQSN18v8KKF0/g==",
       "dev": true,
       "requires": {
-        "@babel/code-frame": "7.5.5",
-        "builtin-modules": "1.1.1",
-        "chalk": "2.4.2",
-        "commander": "2.20.1",
-        "diff": "4.0.1",
-        "glob": "7.1.4",
-        "js-yaml": "3.13.1",
-        "minimatch": "3.0.4",
-        "mkdirp": "0.5.1",
-        "resolve": "1.12.0",
-        "semver": "5.7.1",
-        "tslib": "1.10.0",
-        "tsutils": "2.29.0"
+        "@babel/code-frame": "^7.0.0",
+        "builtin-modules": "^1.1.1",
+        "chalk": "^2.3.0",
+        "commander": "^2.12.1",
+        "diff": "^4.0.1",
+        "glob": "^7.1.1",
+        "js-yaml": "^3.13.1",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^0.5.1",
+        "resolve": "^1.3.2",
+        "semver": "^5.3.0",
+        "tslib": "^1.8.0",
+        "tsutils": "^2.29.0"
       },
       "dependencies": {
         "diff": {
@@ -1468,7 +1468,7 @@
       "integrity": "sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==",
       "dev": true,
       "requires": {
-        "tslib": "1.10.0"
+        "tslib": "^1.8.1"
       }
     },
     "type-check": {
@@ -1477,7 +1477,7 @@
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
-        "prelude-ls": "1.1.2"
+        "prelude-ls": "~1.1.2"
       }
     },
     "typedarray": {
@@ -1500,7 +1500,7 @@
       "optional": true,
       "requires": {
         "commander": "2.20.0",
-        "source-map": "0.6.1"
+        "source-map": "~0.6.1"
       },
       "dependencies": {
         "commander": {
@@ -1529,7 +1529,7 @@
       "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "wordwrap": {
@@ -1549,7 +1549,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "yallist": {
@@ -1568,8 +1568,8 @@
       "resolved": "https://registry.npmjs.org/zen-observable-ts/-/zen-observable-ts-0.8.20.tgz",
       "integrity": "sha512-2rkjiPALhOtRaDX6pWyNqK1fnP5KkJJybYebopNSn6wDG1lxBoFs2+nwwXKoA6glHIrtwrfBBy6da0stkKtTAA==",
       "requires": {
-        "tslib": "1.10.0",
-        "zen-observable": "0.8.14"
+        "tslib": "^1.9.3",
+        "zen-observable": "^0.8.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 07648f5..efdde03 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graphql-schema-utilities",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Merge GraphQL Schema files and validate queries against the merged Schema",
   "repository": {
     "type": "git",
diff --git a/src/printers.ts b/src/printers.ts
index 31f0095..aa6d2a9 100644
--- a/src/printers.ts
+++ b/src/printers.ts
@@ -22,6 +22,7 @@ import {
     isSpecifiedDirective,
     isSpecifiedScalarType,
     isUnionType,
+    ListValueNode,
     NullValueNode,
     print,
     printSchema,
@@ -353,6 +354,9 @@ function printArgumentValueNode(type: ValueNode) {
 
         case 'StringValue':
             return printStringValueNode(type as StringValueNode);
+
+        case 'ListValue':
+            return printListValueNode(type as ListValueNode);
     }
 
     throw Error('Cannot print complex directive of type: ' + String(type.kind));
@@ -370,6 +374,10 @@ function printNullValueNode(node: NullValueNode) {
     return null;
 }
 
+function printListValueNode(node: ListValueNode) {
+    return '[' + node.values.map(printArgumentValueNode).join(', ') + ']';
+}
+
 function descriptionLines(description: string, maxLen: number): string[] {
     const rawLines = description.split('\n');
     return flatMap(rawLines, (line) => {