diff --git a/Dockerfile.ci b/Dockerfile.ci
index 565418d..b8a7180 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -1,4 +1,4 @@
-FROM cimg/rust:1.79.0
+FROM cimg/rust:1.81.0
 COPY --from=sclevine/yj /bin/yj /bin/yj
 RUN /bin/yj -h
 RUN sudo apt-get update && \
diff --git a/tests/docker/Dockerfile b/tests/docker/Dockerfile
index 6eccddd..ec77a2e 100644
--- a/tests/docker/Dockerfile
+++ b/tests/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:bullseye
+FROM rust:1.81.0-slim-bookworm 
 
 COPY --from=sclevine/yj /bin/yj /bin/yj
 RUN /bin/yj -h