diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 224bcbc82967e830a0f25f26cc64b59da9ccc025..5e9e47e138135a8a31ea5a543a4cd38d46d6f081 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "flowdalic/debian-testing-dev:1.28"
+image: "flowdalic/debian-testing-dev:1.29"
 
 before_script:
   - ulimit -a