diff --git a/.github/workflows/build_and_run_eCLM.yml b/.github/workflows/build_and_run_eCLM.yml
index 17c7bb8ec..5219c8a0b 100644
--- a/.github/workflows/build_and_run_eCLM.yml
+++ b/.github/workflows/build_and_run_eCLM.yml
@@ -71,7 +71,7 @@ jobs:
       INSTALL_DIR: ${{ github.workspace }}/install
       CMAKE_BUILD_PARALLEL_LEVEL: 4
       WTB_REPO_NAME: extpar_eclm_wuestebach_sp
-      WTB_REPO_TAG: 0.4
+      WTB_REPO_TAG: 0.5
 
     steps:
       - uses: actions/checkout@v4