diff --git a/graphql-java-support/src/main/java/com/apollographql/federation/graphqljava/FederationSdlPrinter.java b/graphql-java-support/src/main/java/com/apollographql/federation/graphqljava/FederationSdlPrinter.java
index 739ffe50..86195d36 100644
--- a/graphql-java-support/src/main/java/com/apollographql/federation/graphqljava/FederationSdlPrinter.java
+++ b/graphql-java-support/src/main/java/com/apollographql/federation/graphqljava/FederationSdlPrinter.java
@@ -11,8 +11,8 @@
 
 import graphql.Assert;
 import graphql.PublicApi;
+import graphql.execution.ValuesResolver;
 import graphql.language.AstPrinter;
-import graphql.language.AstValueHelper;
 import graphql.language.Description;
 import graphql.language.Document;
 import graphql.language.EnumTypeDefinition;
@@ -47,6 +47,7 @@
 import graphql.schema.GraphQLUnionType;
 import graphql.schema.GraphqlTypeComparatorEnvironment;
 import graphql.schema.GraphqlTypeComparatorRegistry;
+import graphql.schema.InputValueWithState;
 import graphql.schema.idl.ScalarInfo;
 import graphql.schema.idl.SchemaParser;
 import graphql.schema.idl.TypeDefinitionRegistry;
@@ -810,8 +811,8 @@ private TypePrinter<GraphQLInputObjectType> inputObjectPrinter() {
                   fd -> {
                     printComments(out, fd, "  ");
                     out.format("  %s: %s", fd.getName(), typeString(fd.getType()));
-                    Object defaultValue = fd.getDefaultValue();
-                    if (defaultValue != null) {
+                    InputValueWithState defaultValue = fd.getInputFieldDefaultValue();
+                    if (defaultValue != null && defaultValue.isSet()) {
                       String astValue = printAst(defaultValue, fd.getType());
                       out.format(" = %s", astValue);
                     }
@@ -854,8 +855,9 @@ private void printAsAst(
     out.println();
   }
 
-  private static String printAst(Object value, GraphQLInputType type) {
-    return AstPrinter.printAst(AstValueHelper.astFromValue(value, type));
+  private static String printAst(InputValueWithState inputValueWithState, GraphQLInputType type) {
+    return AstPrinter.printAst(
+        ValuesResolver.valueToLiteral(DEFAULT_FIELD_VISIBILITY, inputValueWithState, type));
   }
 
   private TypePrinter<GraphQLSchema> schemaPrinter() {
@@ -954,8 +956,8 @@ String argsString(Class<? extends GraphQLSchemaElement> parent, List<GraphQLArgu
           .append(argument.getName())
           .append(": ")
           .append(typeString(argument.getType()));
-      Object defaultValue = argument.getDefaultValue();
-      if (defaultValue != null) {
+      InputValueWithState defaultValue = argument.getArgumentDefaultValue();
+      if (defaultValue != null && defaultValue.isSet()) {
         sb.append(" = ");
         sb.append(printAst(defaultValue, argument.getType()));
       }
@@ -1043,10 +1045,10 @@ private String directiveString(GraphQLDirective directive) {
       for (int i = 0; i < args.size(); i++) {
         GraphQLArgument arg = args.get(i);
         String argValue = null;
-        if (arg.getValue() != null) {
-          argValue = printAst(arg.getValue(), arg.getType());
-        } else if (arg.getDefaultValue() != null) {
-          argValue = printAst(arg.getDefaultValue(), arg.getType());
+        if (arg.getArgumentValue() != null && arg.getArgumentValue().isSet()) {
+          argValue = printAst(arg.getArgumentValue(), arg.getType());
+        } else if (arg.getArgumentDefaultValue() != null && arg.getArgumentDefaultValue().isSet()) {
+          argValue = printAst(arg.getArgumentDefaultValue(), arg.getType());
         }
         if (!isNullOrEmpty(argValue)) {
           sb.append(arg.getName());
diff --git a/pom.xml b/pom.xml
index a7e87aef..18842533 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,11 +76,12 @@
         -->
         <skip.dependency.convergence>false</skip.dependency.convergence>
         <cobertura-maven-plugin.version>2.7</cobertura-maven-plugin.version>
-        <graphql-java.version>16.1</graphql-java.version>
-        <graphql-java-kickstart.version>11.0.0</graphql-java-kickstart.version>
+        <graphql-java.version>17.2</graphql-java.version>
+        <graphql-java-extended-scalars.version>17.0</graphql-java-extended-scalars.version>
+        <graphql-java-kickstart.version>11.1.0</graphql-java-kickstart.version>
         <java.version>1.8</java.version>
         <jetbrains-annotations.version>17.0.0</jetbrains-annotations.version>
-        <junit.version>5.7.1</junit.version>
+        <junit.version>5.7.2</junit.version>
         <!-- Can't upgrade to 3.2.X until https://issues.apache.org/jira/browse/MDEP-753 is fixed. -->
         <maven-dependency-plugin.version>3.1.2</maven-dependency-plugin.version>
         <!--
@@ -93,9 +94,9 @@
         <maven-source-plugin.version>3.1.0</maven-source-plugin.version>
         <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
-        <slf4j.version>1.7.30</slf4j.version>
+        <slf4j.version>1.7.32</slf4j.version>
         <spotless.version>2.12.2</spotless.version>
-        <spring-boot.version>2.3.6.RELEASE</spring-boot.version>
+        <spring-boot.version>2.5.4</spring-boot.version>
     </properties>
 
     <dependencyManagement>
@@ -127,6 +128,12 @@
                 <artifactId>graphql-java</artifactId>
                 <version>${graphql-java.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.graphql-java</groupId>
+                <artifactId>graphql-java-extended-scalars</artifactId>
+                <version>${graphql-java-extended-scalars.version}</version>
+                <scope>test</scope>
+            </dependency>
             <dependency>
                 <groupId>org.jetbrains</groupId>
                 <artifactId>annotations</artifactId>
diff --git a/spring-example/pom.xml b/spring-example/pom.xml
index d18b158f..5ad2c063 100644
--- a/spring-example/pom.xml
+++ b/spring-example/pom.xml
@@ -18,7 +18,7 @@
     <properties>
         <!-- Note that spring-example wasn't designed to be imported, so this is fine. -->
         <skip.dependency.convergence>true</skip.dependency.convergence>
-        <fasterxml.jackson.version>2.12.0</fasterxml.jackson.version>
+        <fasterxml.jackson.version>2.12.4</fasterxml.jackson.version>
     </properties>
 
     <dependencyManagement>
@@ -52,7 +52,7 @@
             <dependency>
                 <groupId>org.springframework</groupId>
                 <artifactId>spring-aop</artifactId>
-                <version>5.2.11.RELEASE</version>
+                <version>5.3.9</version>
             </dependency>
         </dependencies>
     </dependencyManagement>