diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ad51053..5279c04 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ on:
     
   push:
     branches:
-      - development
+      - master
       - pharo9-openssl1.1
       - pharo10-openssl1.1
   
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        smalltalk: [ Pharo64-11, Pharo64-10, Pharo64-9.0 ]
+        smalltalk: [ Pharo64-12, Pharo64-11, Pharo64-10, Pharo64-9.0 ]
     name: ${{ matrix.smalltalk }}
     steps:
       - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index e0861d6..35cf3b8 100644
--- a/README.md
+++ b/README.md
@@ -8,21 +8,30 @@ Implementation of a JSON web token following [RFC 7519](https://tools.ietf.org/h
 
 ## Installation
 
-For pharo9 and above use
+For pharo11 and above use
 
 ```Smalltalk
 Metacello new
       baseline:'JSONWebToken';
-      repository: 'github://noha/JSONWebToken:pharo9-openssl1.1/source';
+      repository: 'github://noha/JSONWebToken:master/source';
       load
 ```
 
-For pharo8 and below use
+For pharo10 and above use
 
 ```Smalltalk
 Metacello new
       baseline:'JSONWebToken';
-      repository: 'github://noha/JSONWebToken:master/source';
+      repository: 'github://noha/JSONWebToken:pharo10-openssl1.1/source';
+      load
+```
+
+For pharo9 and above use
+
+```Smalltalk
+Metacello new
+      baseline:'JSONWebToken';
+      repository: 'github://noha/JSONWebToken:pharo9-openssl1.1/source';
       load
 ```