diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 133b9aad..02561aec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -68,10 +68,10 @@ include: "https://gitlab.freedesktop.org/gstreamer/gst-ci/raw/master/gitlab/ci_t
     - cargo build --color=always --all --examples --all-features
     - G_DEBUG=fatal_warnings cargo test --color=always --all --examples --all-features
 
-test 1.39:
-  # 1.39 img
+test 1.40:
+  # 1.40 img
   # https://hub.docker.com/_/rust/
-  image: "rust:1.39-slim-buster"
+  image: "rust:1.40-slim-buster"
   extends: '.cargo test'
 
 test stable: