diff --git a/.github/workflows/scriptabledebugger.yml b/.github/workflows/scriptabledebugger.yml
index d1f0499..5a009a7 100644
--- a/.github/workflows/scriptabledebugger.yml
+++ b/.github/workflows/scriptabledebugger.yml
@@ -9,9 +9,9 @@ env:
 on:
   # Triggers the workflow on push or pull request events but only for the "master" branch
   push:
-    branches: [ Pharo12 ]
+    branches: [ Pharo13 ]
   pull_request:
-    branches: [ Pharo12, master ]
+    branches: [ Pharo13, master ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -23,7 +23,7 @@ jobs:
     strategy:
         matrix:
           os: [ ubuntu-latest ]
-          smalltalk: [ Pharo64-12 ]
+          smalltalk: [ Pharo64-13 ]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
     steps: