diff --git a/.ci-inject-internal-deps.sh b/.ci-inject-internal-deps.sh
new file mode 100755
index 00000000..c4d8eb1f
--- /dev/null
+++ b/.ci-inject-internal-deps.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+DEP_FILE="Gopkg.toml"
+
+# remove ignored internal deps
+sed -i '/ignored = \["github.com\/safing\//d' $DEP_FILE
+
+# portbase
+PORTBASE_BRANCH="develop" 
+git branch | grep "* master" >/dev/null
+if [ $? -eq 0 ]; then
+    PORTBASE_BRANCH="master" 
+fi
+echo "
+[[constraint]]
+  name = \"github.com/safing/portbase\"
+  branch = \"${PORTBASE_BRANCH}\"
+" >> $DEP_FILE
diff --git a/.travis.yml b/.travis.yml
index 3571007f..ae28e8da 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,6 +17,7 @@ branches:
 install:
   - go get -d -u github.com/golang/dep
   - go install github.com/golang/dep/cmd/dep
+  - ./.ci-inject-internal-deps.sh
   - dep ensure
   - ./test install