diff --git a/build.gradle b/build.gradle
index e0ebc9d0c..fa59d40a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,7 +40,7 @@ subprojects {
     repositories {
         mavenRepo name:'mavenLocal',
                   urls:new File(System.getProperty("user.home"), ".m2/repository").toURL().toString()
-        mavenRepo(urls: "http://repo.grails.org/grails/core") {
+        mavenRepo(urls: "https://repo.grails.org/grails/core") {
             if (project.hasProperty('snapshotTimeout')) {
                 setSnapshotTimeout(Long.parseLong(project.snapshotTimeout))
             }
@@ -124,8 +124,8 @@ subprojects {
                 licenses {
                     license {
                         name 'The Apache Software License, Version 2.0'
-                        url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
-                        distribution 'http://github.com/SpringSource/grails-data-mapping/'
+                        url 'https://www.apache.org/licenses/LICENSE-2.0.txt'
+                        distribution 'https://github.com/SpringSource/grails-data-mapping/'
                     }
                 }
             }
@@ -133,8 +133,8 @@ subprojects {
 
         uploadArchives {
             description = "Does a maven deploy of archives artifacts"
-            def milestoneRepositoryUrl = "http://repo.grails.org/grails/libs-releases-local"
-            def snapshotRepositoryUrl = "http://repo.grails.org/grails/libs-snapshots-local"
+            def milestoneRepositoryUrl = "https://repo.grails.org/grails/libs-releases-local"
+            def snapshotRepositoryUrl = "https://repo.grails.org/grails/libs-snapshots-local"
 
             // add a configuration with a classpath that includes our s3 maven deployer
             configurations { deployerJars }
@@ -175,7 +175,7 @@ subprojects {
                     licenses {
                         license {
                             name 'The Apache Software License, Version 2.0'
-                            url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                            url 'https://www.apache.org/licenses/LICENSE-2.0.txt'
                             distribution 'repo'
                         }
                     }
diff --git a/grails-datastore-appengine/build.gradle b/grails-datastore-appengine/build.gradle
index 5f3f5ec96..da9ce9584 100644
--- a/grails-datastore-appengine/build.gradle
+++ b/grails-datastore-appengine/build.gradle
@@ -1,5 +1,5 @@
 repositories {
-    mavenRepo urls:'http://maven-gae-plugin.googlecode.com/svn/repository/'
+    mavenRepo urls:'https://maven-gae-plugin.googlecode.com/svn/repository/'
 }
 
 dependencies {
diff --git a/grails-datastore-cassandra/build.gradle b/grails-datastore-cassandra/build.gradle
index 13447d6f2..f790a9c90 100644
--- a/grails-datastore-cassandra/build.gradle
+++ b/grails-datastore-cassandra/build.gradle
@@ -1,5 +1,5 @@
 repositories {
-    mavenRepo urls:'http://eaio.com/maven2'
+    mavenRepo urls:'https://eaio.com/maven2'
 }
 
 dependencies {
diff --git a/grails-datastore-gorm-neo4j/build.gradle b/grails-datastore-gorm-neo4j/build.gradle
index 1ffbb0c9c..04e5abc32 100644
--- a/grails-datastore-gorm-neo4j/build.gradle
+++ b/grails-datastore-gorm-neo4j/build.gradle
@@ -1,5 +1,5 @@
 repositories {
-    mavenRepo urls:'http://m2.neo4j.org/'
+    mavenRepo urls:'https://m2.neo4j.org/'
 }
 
 dependencies {
diff --git a/grails-documentation-redis/build.gradle b/grails-documentation-redis/build.gradle
index d60710cc7..a5b405b85 100644
--- a/grails-documentation-redis/build.gradle
+++ b/grails-documentation-redis/build.gradle
@@ -21,7 +21,7 @@ else {
         classpath = files(groovyProjects().collect { project ->
             [project.sourceSets.main.compileClasspath, project.sourceSets.main.classes]
         })
-        options.links("http://download.oracle.com/javase/6/docs/api/", "http://groovy.codehaus.org/gapi/")
+        options.links("https://download.oracle.com/javase/6/docs/api/", "https://groovy.codehaus.org/gapi/")
         doFirst {
             title = "Datastore API $version"
         }
diff --git a/grails-documentation-riak/build.gradle b/grails-documentation-riak/build.gradle
index 93f6d220b..b8338e1d3 100644
--- a/grails-documentation-riak/build.gradle
+++ b/grails-documentation-riak/build.gradle
@@ -23,7 +23,7 @@ if (Boolean.getBoolean("skip.javadoc")) {
         classpath = files(groovyProjects().collect { project ->
             [project.sourceSets.main.compileClasspath, project.sourceSets.main.classes]
         })
-        options.links("http://download.oracle.com/javase/6/docs/api/", "http://groovy.codehaus.org/gapi/")
+        options.links("https://download.oracle.com/javase/6/docs/api/", "https://groovy.codehaus.org/gapi/")
         doFirst {
             title = "Datastore API $version"
         }
diff --git a/grails-plugins/redis/build.gradle b/grails-plugins/redis/build.gradle
index 612aa441f..920e54bb3 100644
--- a/grails-plugins/redis/build.gradle
+++ b/grails-plugins/redis/build.gradle
@@ -2,7 +2,7 @@ buildscript {
 
     repositories {
         mavenCentral()
-        mavenRepo urls: "http://repo.grails.org/grails/core"
+        mavenRepo urls: "https://repo.grails.org/grails/core"
     }
 
     dependencies {
@@ -25,7 +25,7 @@ configurations {
 }
 
 repositories {
-    mavenRepo urls:"http://repository.codehaus.org/"
+    mavenRepo urls:"https://repository.codehaus.org/"
 }
 
 dependencies {
diff --git a/grails-plugins/riak/build.gradle b/grails-plugins/riak/build.gradle
index 64e40f51e..8fb71fd6b 100644
--- a/grails-plugins/riak/build.gradle
+++ b/grails-plugins/riak/build.gradle
@@ -7,7 +7,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ * https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -19,7 +19,7 @@
 buildscript {
   repositories {
     mavenCentral()
-    mavenRepo urls: "http://repository.jboss.org/maven2/"
+    mavenRepo urls: "https://repository.jboss.org/maven2/"
   }
   dependencies {
     classpath "org.grails:grails-gradle-plugin:1.0", "org.grails:grails-bootstrap:1.3.6"
@@ -40,7 +40,7 @@ configurations {
 }
 
 repositories {
-  mavenRepo urls: "http://repository.codehaus.org/"
+  mavenRepo urls: "https://repository.codehaus.org/"
 }
 
 dependencies {