diff --git a/.github/workflows/Pharo11CI.yml b/.github/workflows/CI.yml
similarity index 62%
rename from .github/workflows/Pharo11CI.yml
rename to .github/workflows/CI.yml
index fca7fc0..1f0006b 100644
--- a/.github/workflows/Pharo11CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,29 +1,33 @@
-name: 'Pharo 11 CI'
-
-env: 
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-on:
-  push:
-    branches:
-      - 'main'
-  pull_request:
-    types: [assigned, opened, synchronize, reopened]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        smalltalk: [ Pharo64-11 ]
-    runs-on: ${{ matrix.os }}
-    name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - 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
+name: 'CI'
+
+env: 
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    types: [assigned, opened, synchronize, reopened]
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        smalltalk: [ Pharo64-11, Pharo64-12, Pharo64-13 ]
+        ston: [ .smalltalkci.default.ston ]
+    runs-on: ${{ matrix.os }}
+    name: >
+      ${{ matrix.smalltalk }} • ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: hpi-swa/setup-smalltalkCI@v1
+        with:
+          smalltalk-image: ${{ matrix.smalltalk }}
+
+      - name: Run ${{ matrix.ston == '.smalltalkci.default.ston' }} tests
+        run: smalltalkci -s ${{ matrix.smalltalk }} ${{ matrix.ston }}
+        shell: bash
+        timeout-minutes: 30
\ No newline at end of file
diff --git a/.github/workflows/Pharo12CI.yml b/.github/workflows/Pharo12CI.yml
deleted file mode 100644
index 1c791b2..0000000
--- a/.github/workflows/Pharo12CI.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-name: 'Pharo 12 CI'
-
-env: 
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-on:
-  push:
-    branches:
-      - 'main'
-  pull_request:
-    types: [assigned, opened, synchronize, reopened]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        smalltalk: [ Pharo64-12 ]
-    runs-on: ${{ matrix.os }}
-    name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - 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/.smalltalk.ston b/.smalltalkci.default.ston
similarity index 100%
rename from .smalltalk.ston
rename to .smalltalkci.default.ston
diff --git a/README.md b/README.md
index 6b8cbae..1f6e2fc 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,9 @@
+[![Pharo 11](https://img.shields.io/badge/Pharo-11-%23aac9ff.svg)](https://pharo.org/download)
+[![Pharo 12](https://img.shields.io/badge/Pharo-12-%23aac9ff.svg)](https://pharo.org/download)
+[![Pharo 13](https://img.shields.io/badge/Pharo-13-%23aac9ff.svg)](https://pharo.org/download)
+
 [![License](https://img.shields.io/github/license/OpenSmock/Toplo-Serialization.svg)](./LICENSE)
-[![Pharo 11 CI](https://github.com/OpenSmock/Toplo-Serialization/actions/workflows/Pharo11CI.yml/badge.svg)](https://github.com/OpenSmock/Toplo-Serialization/actions/workflows/Pharo11CI.yml)
-[![Pharo 12 CI](https://github.com/OpenSmock/Toplo-Serialization/actions/workflows/Pharo12CI.yml/badge.svg)](https://github.com/OpenSmock/Toplo-Serialization/actions/workflows/Pharo12CI.yml)
+[![Unit tests](https://github.com/OpenSmock/Toplo-Serialization/actions/workflows/CI.yml/badge.svg)](https://github.com/OpenSmock/Toplo-Serialization/actions/workflows/CI.yml)
 
 # Toplo-Serialization
 Toplo serialization features to store/unstore ToElements.