diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 674123aa..dc877a51 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -64,7 +64,7 @@ jobs:
           cat engine.jpar
           echo LOG4J
           cat log4j2-debug.xml
-          java -Dlog4j.configurationFile=./log4j2-debug.xml -jar engine-${{github.ref_name}}.jar -engine engine.jpar -endpoint endpoint.jpar > log.txt &
+          java -Dlog4j.configurationFile=./log4j2-debug.xml -jar engine-v0.15.0.jar -engine engine.jpar -endpoint endpoint.jpar > log.txt &
         shell: bash
       - name: wait for SEPA engine
         uses: nev7n/wait_for_response@v1