diff --git a/gitlabci-version.yml b/gitlabci-version.yml
index 2cd2cdc333ca56c343de85848d932dac49de7eb8..f698aa88de7b7ebe2544c692886351c722ccd798 100644
--- a/gitlabci-version.yml
+++ b/gitlabci-version.yml
@@ -1,2 +1,2 @@
 variables:
-  UPSTREAM_VERSION: 6.6.5
\ No newline at end of file
+  UPSTREAM_VERSION: 6.5.5
\ No newline at end of file