diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 3f915d1..5fdf404 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.74
+FROM rust:1.85
 
 ARG USERNAME=lldapdev
 # We need to keep the user as 1001 to match the GitHub runner's UID.