use latest rustc version for rustlib
diff --git a/build/docker/ubuntu-jammy/Dockerfile b/build/docker/ubuntu-jammy/Dockerfile
index 5fa6e6f..dc9b9d2 100644
--- a/build/docker/ubuntu-jammy/Dockerfile
+++ b/build/docker/ubuntu-jammy/Dockerfile
@@ -273,7 +273,7 @@
 
 USER ${user}
 RUN `# Rust dependencies` \
-    curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.65.0 -y
+    curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.81.0 -y
 ENV PATH /home/${user}/.cargo/bin:$PATH
 USER root