diff --git a/check-code-style/action.yml b/check-code-style/action.yml
index 5f09e03..669b5a1 100644
--- a/check-code-style/action.yml
+++ b/check-code-style/action.yml
@@ -28,8 +28,8 @@ runs:
         sudo ln -s /usr/bin/clang-format-${CLANG_VERSION} /etc/alternatives/clang-format
 
         # Install buildifier.
-        BUILDIFIER_VERSION=5.1.0
-        wget https://github.com/bazelbuild/buildtools/releases/download/${BUILDIFIER_VERSION}/buildifier-linux-amd64
+        BUILDIFIER_VERSION=6.4.0
+        wget https://github.com/bazelbuild/buildtools/releases/download/v${BUILDIFIER_VERSION}/buildifier-linux-amd64
         chmod +x ./buildifier-linux-amd64
         sudo mv ./buildifier-linux-amd64 /usr/local/bin/buildifier
 
@@ -59,8 +59,8 @@ runs:
     - name: Install python tools
       run: |
         pip install \
-          yapf==0.33.0 \
-          mypy==1.2.0 \
+          yapf==0.40.2 \
+          mypy==1.18.1 \
           isort==5.12.0 \
           ruff==0.1.14
       shell: bash