diff --git a/build-opentoonz-testing.sh b/build-opentoonz-testing.sh
index f4dc072..5b3f86b 100755
--- a/build-opentoonz-testing.sh
+++ b/build-opentoonz-testing.sh
@@ -57,7 +57,7 @@ run_nsis() {
         "$PACKET_BUILD_DIR/$PLATFORM-$ARCH/opentoonz-testingnsis/install_release" \
         "*.exe" \
         "$PACKET_BUILD_DIR/$PLATFORM-$ARCH/opentoonz-testingnsis/envdeps_release/version-opentoonz-testing"
-    
+
     local TEMPLATE=`gen_name_template "OpenToonz" "$OPENTOONZ_TESTING_TAG" "$PLATFORM" "$ARCH" ".zip"`
     "$PUBLISH_DIR/publish.sh" \
         "opentoonz-testing" \
diff --git a/docker-builder-data/build/script/packet/opentoonz-testingportable.files b/docker-builder-data/build/script/packet/opentoonz-testingportable.files
new file mode 120000
index 0000000..6cf394c
--- /dev/null
+++ b/docker-builder-data/build/script/packet/opentoonz-testingportable.files
@@ -0,0 +1 @@
+opentoonz-portable.files
\ No newline at end of file
diff --git a/docker/debian-7-64bit/Dockerfile b/docker/debian-7-64bit/Dockerfile
index 345e4e1..40e0326 100644
--- a/docker/debian-7-64bit/Dockerfile
+++ b/docker/debian-7-64bit/Dockerfile
@@ -74,5 +74,8 @@ RUN apt-get -yq install curl
 # for synfigstudio-nsis
 RUN apt-get -yq install unzip
 
+# for portable versions
+RUN apt-get -yq install zip
+
 # build dir
 RUN mkdir /build
diff --git a/publish/.gitignore b/publish/.gitignore
index 928fb53..8e915f0 100644
--- a/publish/.gitignore
+++ b/publish/.gitignore
@@ -1,3 +1,4 @@
 /*.appimage
 /*.exe
+/*.zip
 /publish-*.sh