diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 722e7b90b982a802dbf8e54653712cbec9f80256..de9619989701a2cc611f7ceed424ab8cf49bcadc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,20 +12,19 @@ stages:
     # - docs
 
 # core packages
-
 bob/bob:
     stage: core
     trigger:
         include:
             - project: bob/bob
-            ref: develop
+              ref: develop
         strategy: depend
 
 bob/bob.io.base:
     stage: core
     trigger:
-        project: bob/bob.io.base
-        ref: develop
+        - project: bob/bob.io.base
+          ref: develop
         strategy: depend
     needs: ['bob/bob']
 
@@ -37,7 +36,7 @@ bob/core:
     trigger:
         include:
             - project: $PROJECT
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/bob.io.base']
 
@@ -47,7 +46,7 @@ bob/bob.bio.base:
     trigger:
         include:
             - project: bob/bob.bio.base
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/core']
 
@@ -59,7 +58,7 @@ bob/bob.bio:
     trigger:
         include:
             - project: $PROJECT
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/bob.bio.base']
 
@@ -68,7 +67,7 @@ bob/bob.bio.video:
     trigger:
         include:
             - project: bob/bob.bio.video
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/bob.bio']
 
@@ -78,7 +77,7 @@ bob/bob.pad.base:
     trigger:
         include:
             - project: bob/bob.pad.base
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/bob.bio.base']
 
@@ -87,7 +86,7 @@ bob/bob.pad.face:
     trigger:
         include:
             - project: bob/bob.pad.face
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/bob.pad.base', 'bob/bob.bio.video']
 
@@ -96,7 +95,7 @@ bob/bob.fusion.base:
     trigger:
         include:
             - project: bob/bob.fusion.base
-            ref: develop
+              ref: develop
         strategy: depend
     needs: ['bob/bob.bio.base', 'bob/bob.pad.base']