diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 154115a74d0..9701a15a838 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Install Rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: 1.73.0
 
       - name: Sccache cache
         uses: mozilla-actions/sccache-action@v0.0.3
diff --git a/Dockerfile b/Dockerfile
index d76ecf50b47..1b796b3a03c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 # setup rust.
-RUN curl https://sh.rustup.rs -sSf | bash -s -- -y
+RUN curl https://sh.rustup.rs -sSf | bash -s -- --default-toolchain 1.73.0 -y
 ENV PATH="/root/.cargo/bin:${PATH}"
 
 WORKDIR /root/workspace