diff --git a/README.md b/README.md
index 02b1cce..dece682 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v3
         
       - name: make   
-        uses: embedd-actions/arm-gcc-ci@11.3.rel1
+        uses: embedd-actions/arm-gcc-ci@12.3.rel1
         with: 
           command: make --directory Release all
 
@@ -24,4 +24,5 @@ jobs:
 
 ```
 11.3.rel1
+12.3.rel1
 ```