diff --git a/build.xml b/build.xml
index 98344b4720..168616ead6 100644
--- a/build.xml
+++ b/build.xml
@@ -64,26 +64,26 @@
            dest="${lib}/groovy-all-${groovy-version}.jar"
            skipexisting="true" />
       <echo message="downloading MigLayout to ${lib}"/>
-      <get src="http://repo1.maven.org/maven2/com/miglayout/miglayout-core/4.2/miglayout-core-4.2.jar"
+      <get src="https://repo1.maven.org/maven2/com/miglayout/miglayout-core/4.2/miglayout-core-4.2.jar"
            dest="${lib}/miglayout-core-4.2.jar"
            skipexisting="true" />
-      <get src="http://repo1.maven.org/maven2/com/miglayout/miglayout-swing/4.2/miglayout-swing-4.2.jar"
+      <get src="https://repo1.maven.org/maven2/com/miglayout/miglayout-swing/4.2/miglayout-swing-4.2.jar"
            dest="${lib}/miglayout-swing-4.2.jar"
            skipexisting="true" />
       <echo message="downloading Apache Commons IO to ${lib}"/>
-      <get src="http://repo1.maven.org/maven2/commons-io/commons-io/2.4/commons-io-2.4.jar"
+      <get src="https://repo1.maven.org/maven2/commons-io/commons-io/2.4/commons-io-2.4.jar"
          dest="${lib}/commons-io-2.4.jar"
          skipexisting="true" />
       <echo message="downloading Trident animation library to ${lib}"/>
-      <get src="http://repo1.maven.org/maven2/org/pushingpixels/trident/1.3/trident-1.3.jar"
+      <get src="https://repo1.maven.org/maven2/org/pushingpixels/trident/1.3/trident-1.3.jar"
          dest="${lib}/trident-1.3.jar"
          skipexisting="true" />
       <echo message="downloading java json library to ${lib}"/>
-      <get src="http://repo1.maven.org/maven2/org/json/json/20140107/json-20140107.jar"
+      <get src="https://repo1.maven.org/maven2/org/json/json/20140107/json-20140107.jar"
          dest="${lib}/json-20140107.jar"
          skipexisting="true" />
       <echo message="downloading H2 database library to ${lib}"/>
-      <get src="http://repo2.maven.org/maven2/com/h2database/h2/1.4.193/h2-1.4.193.jar"
+      <get src="https://repo1.maven.org/maven2/com/h2database/h2/1.4.193/h2-1.4.193.jar"
          dest="${lib}/h2-1.4.193.jar"
          skipexisting="true" />
       <echo message="downloading errorprone lib"/>