diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b4160b4..14b60d5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@
 
 # Nightly
 # https://hub.docker.com/r/rustlang/rust/
-image: "rustlang/rust"
+image: "rustlang/rust:nightly"
 
 # Optional: Pick zero or more services to be used on all builds.
 # Only needed when using a docker container to run your tests in.