diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6626f16227c9d22f99ffd4da02a8f3d82276af7d..0828bb79dc113e9521bb0b2883d1f23fc981989d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,12 +14,14 @@ bob/bob.extension:
     stage: core
     trigger:
         project: bob/bob.extension
+        ref: develop
         strategy: depend
 
 bob/bob.io.base:
     stage: core
     trigger:
         project: bob/bob.io.base
+        ref: develop
         strategy: depend
 
 bob/core:
@@ -29,6 +31,7 @@ bob/core:
     stage: core
     trigger:
         project: $PROJECT
+        ref: develop
         strategy: depend
 
     needs: ['bob/bob.extension', 'bob/bob.io.base']
@@ -38,6 +41,7 @@ bob/bob.bio.base:
     stage: extra
     trigger:
         project: bob/bob.bio.base
+        ref: develop
         strategy: depend
 
     needs: ['bob/core']
@@ -49,6 +53,7 @@ bob/bob.bio:
     stage: extra
     trigger:
         project: $PROJECT
+        ref: develop
         strategy: depend
 
     needs: ['bob/bob.bio.base']
@@ -57,6 +62,7 @@ bob/bob.bio.video:
     stage: extra
     trigger:
         project: bob/bob.bio.video
+        ref: develop
         strategy: depend
     needs: ['bob/bob.bio']
 
@@ -64,6 +70,7 @@ bob/bob.pad.base:
     stage: extra
     trigger:
         project: bob/bob.pad.base
+        ref: develop
         strategy: depend
 
     needs: ['bob/bob.bio.base']
@@ -72,6 +79,7 @@ bob/bob.pad.face:
     stage: extra
     trigger:
         project: bob/bob.pad.face
+        ref: develop
         strategy: depend
 
     needs: ['bob/bob.pad.base', 'bob/bob.bio.video']
@@ -80,6 +88,7 @@ bob/bob.fusion.base:
     stage: extra
     trigger:
         project: bob/bob.fusion.base
+        ref: develop
         strategy: depend
 
     needs: ['bob/bob.bio.base', 'bob/bob.pad.base']
@@ -89,4 +98,5 @@ bob/bob:
     stage: final
     trigger:
         project: bob/bob
+        ref: develop
         strategy: depend