diff --git a/.github/workflows/Pharo12CI.yml b/.github/workflows/Pharo12CI.yml
index c23abb5..9eb34a0 100644
--- a/.github/workflows/Pharo12CI.yml
+++ b/.github/workflows/Pharo12CI.yml
@@ -9,14 +9,12 @@ on:
       - 'main'
   pull_request:
     types: [assigned, opened, synchronize, reopened]
-  schedule:
-    - cron:  '0 12 * * 0'
 
 jobs:
   build:
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        os: [ windows-latest ]
         smalltalk: [ Pharo64-12 ]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
diff --git a/.github/workflows/Pharo13CI.yml b/.github/workflows/Pharo13CI.yml
new file mode 100644
index 0000000..48c0f17
--- /dev/null
+++ b/.github/workflows/Pharo13CI.yml
@@ -0,0 +1,31 @@
+name: 'Pharo 13 CI'
+
+env: 
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    types: [assigned, opened, synchronize, reopened]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ windows-latest ]
+        smalltalk: [ Pharo64-13 ]
+    runs-on: ${{ matrix.os }}
+    name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+        with: 
+          fetch-depth: 0
+      - uses: hpi-swa/setup-smalltalkCI@v1
+        with:
+          smalltalk-image: ${{ matrix.smalltalk }}
+      - name: Load in New Image and Run Tests
+        run: smalltalkci -s ${{ matrix.smalltalk }} ${{ matrix.ston }}
+        shell: bash
+        timeout-minutes: 30
diff --git a/README.md b/README.md
index 92d9c66..a26eedb 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
    
 [![Pharo 11 CI](https://github.com/OpenSmock/PharoZeroMQ/actions/workflows/Pharo11CI.yml/badge.svg)](https://github.com/OpenSmock/PharoZeroMQ/actions/workflows/Pharo11CI.yml)
 [![Pharo 12 CI](https://github.com/OpenSmock/PharoZeroMQ/actions/workflows/Pharo12CI.yml/badge.svg)](https://github.com/OpenSmock/PharoZeroMQ/actions/workflows/Pharo12CI.yml)
+[![Pharo 13 CI](https://github.com/OpenSmock/PharoZeroMQ/actions/workflows/Pharo13CI.yml/badge.svg)](https://github.com/OpenSmock/PharoZeroMQ/actions/workflows/Pharo13CI.yml)
 
 # PharoZeroMQ
 
diff --git a/src/.properties b/src/.properties
index 53a5454..078f16b 100644
--- a/src/.properties
+++ b/src/.properties
@@ -1,3 +1,4 @@
 {
-	#format : #tonel
-}
+	#format : #tonel,
+	#version: #'1.0'
+}
\ No newline at end of file