diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b179c62..33d1390 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        smalltalk: [ Pharo64-7.0, Pharo64-8.0, Pharo64-9.0, Pharo64-10, Pharo64-11 ]
+        smalltalk: [ Pharo64-7.0, Pharo64-8.0, Pharo64-9.0, Pharo64-10, Pharo64-11, Pharo64-12, Pharo64-13 ]
     name: ${{ matrix.smalltalk }}
     steps:
       - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index 8516124..c8015ba 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@
 [![Pharo 9](https://img.shields.io/badge/Pharo-9.0-%23aac9ff.svg)](https://pharo.org/download)
 [![Pharo 10](https://img.shields.io/badge/Pharo-10-%23aac9ff.svg)](https://pharo.org/download)
 [![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)
 
 ## Quick Start