diff --git a/workflow/mutalkCI.yml b/workflow/mutalkCI.yml
index 767b6a36..a963e584 100644
--- a/workflow/mutalkCI.yml
+++ b/workflow/mutalkCI.yml
@@ -38,7 +38,7 @@ jobs:
         shell: bash
         timeout-minutes: 15
 
-      - run: ${{env.SMALLTALK_CI_VM}} ${{env.SMALLTALK_CI_IMAGE}} metacello install "github://pavel-krivanek/mutalk/src" BaselineOfMuTalk
+      - run: ${{env.SMALLTALK_CI_VM}} ${{env.SMALLTALK_CI_IMAGE}} metacello install "github://pharo-contributions/mutalk/src" BaselineOfMuTalk
         shell: bash
       
       - run: ${{env.SMALLTALK_CI_VM}} ${{env.SMALLTALK_CI_IMAGE}} mutalk --project=${{github.event.repository.name}} --diff
@@ -64,7 +64,7 @@ jobs:
         shell: bash
         timeout-minutes: 15
         
-      - run: ${{env.SMALLTALK_CI_VM}} ${{env.SMALLTALK_CI_IMAGE}} metacello install "github://pavel-krivanek/mutalk/src" BaselineOfMuTalk
+      - run: ${{env.SMALLTALK_CI_VM}} ${{env.SMALLTALK_CI_IMAGE}} metacello install "github://pharo-contributions/mutalk/src" BaselineOfMuTalk
         shell: bash
 
       - name: full mutation testing