diff --git a/README.md b/README.md
index 73a4542..7c1d0f1 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ jobs:
         fetch-depth: 1
     - name: plantuml
       id: plantuml
-      uses: grassedge/generate-plantuml-action@v1.3
+      uses: grassedge/generate-plantuml-action@v1.5
       with:
         path: example
         message: "Render PlantUML files"