diff --git a/CI/.drone.yml b/CI/.drone.yml
index 49d0c405df5..f2ddc8b8d29 100644
--- a/CI/.drone.yml
+++ b/CI/.drone.yml
@@ -4,7 +4,7 @@ name: default
 steps:
 # test ue4 cpp client
 - name: cpp-ue4
-  image: adamrehn/ue4-runtime:latest
+  image: adamrehn/ue4-full:4.21.0
   commands:
   - (cd samples/client/petstore/cpp-ue4/ && ue4 build)
 # test aspnetcore 3.x