diff --git a/ci/docker-rust/Dockerfile b/ci/docker-rust/Dockerfile
index 46c42d9346..5de36489d2 100644
--- a/ci/docker-rust/Dockerfile
+++ b/ci/docker-rust/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust
+FROM rust:1.28
 
 RUN apt update && \
     apt-get install apt-transport-https && \