diff --git a/.github/workflows/.binary-stack-serialization.yml b/.github/workflows/.binary-stack-serialization.yml
index 2046475..608ce47 100644
--- a/.github/workflows/.binary-stack-serialization.yml
+++ b/.github/workflows/.binary-stack-serialization.yml
@@ -10,6 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         smalltalk:
+          - Pharo64-12
           - Pharo64-11
           - Pharo64-10
           - Pharo64-9.0
diff --git a/.github/workflows/loading-groups.yml b/.github/workflows/loading-groups.yml
index add38e1..a22505b 100644
--- a/.github/workflows/loading-groups.yml
+++ b/.github/workflows/loading-groups.yml
@@ -12,6 +12,7 @@ jobs:
         smalltalk:
           - Pharo64-10
           - Pharo64-11
+          - Pharo64-12
         load-spec:
           - development
           - deployment
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 7c3bf17..6a44494 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -10,8 +10,9 @@ jobs:
       fail-fast: false
       matrix:
         smalltalk:
-          - Pharo64-10
+          - Pharo64-12
           - Pharo64-11
+          - Pharo64-10
           - Pharo64-9.0
           - Pharo64-8.0
     name: ${{ matrix.smalltalk }}
diff --git a/source/BaselineOfLaunchpad/BaselineOfLaunchpad.class.st b/source/BaselineOfLaunchpad/BaselineOfLaunchpad.class.st
index 0973b60..6f9ba41 100644
--- a/source/BaselineOfLaunchpad/BaselineOfLaunchpad.class.st
+++ b/source/BaselineOfLaunchpad/BaselineOfLaunchpad.class.st
@@ -35,7 +35,10 @@ BaselineOfLaunchpad >> baseline: spec [
 	spec for: #'pharo10.x' do: [ self setUpPharo10Packages: spec ].
 	spec for: #'pharo11.x' do: [
 		self setUpPharo11Packages: spec.
-		spec preLoadDoIt: #closeWelcomeWindow ]
+		spec preLoadDoIt: #closeWelcomeWindow ].
+	spec for: #'pharo12.x' do: [
+		self setUpPharo11Packages: spec.
+		spec preLoadDoIt: #closeWelcomeWindow ]. 
 ]
 
 { #category : 'post-load actions' }