diff -r f8492036f31c -r 9ed8788a1a4e samples/libs/build.xml
--- a/samples/libs/build.xml	Fri Apr 03 07:15:42 2020 +0200
+++ b/samples/libs/build.xml	Fri Apr 03 16:32:36 2020 +0200
@@ -3,15 +3,15 @@
        <target name="libraries" depends="scala,autoupdate-task">
         <antcall target="-library">
             <param name="library" value="junit-4.4"/>
-            <param name="url" value="http://repo1.maven.org/maven2/junit/junit/4.4/junit-4.4.jar"/>
+            <param name="url" value="https://repo1.maven.org/maven2/junit/junit/4.4/junit-4.4.jar"/>
         </antcall>
         <antcall target="-library">
             <param name="library" value="derby"/>
-            <param name="url" value="http://repo1.maven.org/maven2/org/apache/derby/derby/10.6.1.0/derby-10.6.1.0.jar"/>
+            <param name="url" value="https://repo1.maven.org/maven2/org/apache/derby/derby/10.6.1.0/derby-10.6.1.0.jar"/>
         </antcall>
         <antcall target="-library">
             <param name="library" value="derbyclient"/>
-            <param name="url" value="http://repo1.maven.org/maven2/org/apache/derby/derbyclient/10.6.1.0/derbyclient-10.6.1.0.jar"/>
+            <param name="url" value="https://repo1.maven.org/maven2/org/apache/derby/derbyclient/10.6.1.0/derbyclient-10.6.1.0.jar"/>
         </antcall>
         <antcall target="-library-from-nbm">
             <param name="library" value="org.openide.util.lookup"/>
@@ -43,7 +43,7 @@
         </antcall>
     </target>
     
-    <property name="scala.url" value="http://www.scala-lang.org/files/archive/scala-2.10.4.tgz"/>
+    <property name="scala.url" value="https://www.scala-lang.org/files/archive/scala-2.10.4.tgz"/>
     <property name="scala.home" location="${ant.libraries.file}/../dist/scala-2.10.4"/>
     <available file="${scala.home}/bin/scalac" property="scala.available"/>
     <target name="scala" unless="scala.available">