diff --git a/.devcontainer/Dockerfile.backend b/.devcontainer/Dockerfile.backend
index f14b68fe..6fa1a95a 100644
--- a/.devcontainer/Dockerfile.backend
+++ b/.devcontainer/Dockerfile.backend
@@ -1,4 +1,4 @@
-FROM docker.io/library/rust:1.77.2-bullseye
+FROM docker.io/library/rust:1.78.0-bullseye
 
 RUN rustup component add rustfmt clippy