diff --git a/.github/workflows/github-travis.yml b/.github/workflows/github-travis.yml
index f180c2b739..05efda4b46 100644
--- a/.github/workflows/github-travis.yml
+++ b/.github/workflows/github-travis.yml
@@ -27,6 +27,7 @@ jobs:
         run: |
           echo "MAVEN_OPTS='-Dorg.slf4j.simpleLogger.defaultLogLevel=error -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -Xmx2048m'" >> ~/.mavenrc
           sudo apt install sshpass -y
+          sudo apt-get install p7zip-full -y
           sudo chmod +x $GITHUB_WORKSPACE/travis/*.sh
 
       - name: Cache local Maven repository
diff --git a/travis/zip_withjdk.sh b/travis/zip_withjdk.sh
index df5c88fe99..a7359c87b1 100644
--- a/travis/zip_withjdk.sh
+++ b/travis/zip_withjdk.sh
@@ -147,7 +147,7 @@ sudo cp $GITHUB_WORKSPACE/travis/jdk/mac/gama-headless.sh $GITHUB_WORKSPACE/ummi
 	
 cd $GITHUB_WORKSPACE/ummisco.gama.product/target/products/ummisco.gama.application.product/linux/gtk/x86_64
 
-sudo zip -9 -qyr "${RELEASEFILES[3]}" . && echo "compressed ${RELEASEFILES[3]}" || echo "compress fail ${RELEASEFILES[3]}"
+sudo 7z a -tzip "${RELEASEFILES[3]}" . && echo "compressed ${RELEASEFILES[3]}" || echo "compress fail ${RELEASEFILES[3]}"
 
 cd ../../../../../../../
  
@@ -156,7 +156,7 @@ cd ../../../../../../../
 
 cd $GITHUB_WORKSPACE/ummisco.gama.product/target/products/ummisco.gama.application.product/win32/win32/x86_64
 
-sudo zip -9 -qr "${RELEASEFILES[4]}" . && echo "compressed ${RELEASEFILES[4]}" || echo "compress fail ${RELEASEFILES[4]}"
+sudo 7z a -tzip "${RELEASEFILES[4]}" . && echo "compressed ${RELEASEFILES[4]}" || echo "compress fail ${RELEASEFILES[4]}"
 
 cd ../../../../../../../
 
@@ -166,7 +166,7 @@ cd ../../../../../../../
 
 cd $GITHUB_WORKSPACE/ummisco.gama.product/target/products/ummisco.gama.application.product/macosx/cocoa/x86_64
 
-sudo zip -9 -qyr "${RELEASEFILES[5]}" . && echo "compressed ${RELEASEFILES[5]}" || echo "compress fail ${RELEASEFILES[5]}"
+sudo 7z a -tzip "${RELEASEFILES[5]}" . && echo "compressed ${RELEASEFILES[5]}" || echo "compress fail ${RELEASEFILES[5]}"
 
 cd ../../../../../../../