diff --git a/.github/workflows/system-testing.yml b/.github/workflows/system-testing.yml
index 56e3dde4..d5928e2f 100644
--- a/.github/workflows/system-testing.yml
+++ b/.github/workflows/system-testing.yml
@@ -53,7 +53,7 @@ jobs:
           PROXY_BRANCH="master"
           CHARGING_REPO="FIWARE-TMForum/business-ecosystem-charging-backend"
           CHARGING_BRANCH="master"
-          TM_VERSION="${TM_VERSION:-1.3.18}"
+          TM_VERSION="${TM_VERSION:-1.10.2}"
 
           # Process PROXY location if specified
           if [[ -n "$PROXY_LOCATION" ]]; then