diff --git a/.devcontainer/build.Dockerfile b/.devcontainer/build.Dockerfile
index 6085459d..f2763884 100644
--- a/.devcontainer/build.Dockerfile
+++ b/.devcontainer/build.Dockerfile
@@ -5,7 +5,7 @@ RUN apt-get update \
     && apt-get -y install --no-install-recommends openjdk-11-jdk lld \
     && rustup default nightly 2>&1 \
     && rustup component add rust-analyzer-preview rustfmt clippy 2>&1 \
-    && wget -q -O bin/install-bazel https://github.com/bazelbuild/bazel/releases/download/2.1.1/bazel-2.1.1-installer-linux-x86_64.sh \
+    && wget -q -O bin/install-bazel https://github.com/bazelbuild/bazel/releases/download/4.0.0/bazel-4.0.0-installer-linux-x86_64.sh \
     && wget -q -O bin/buck https://jitpack.io/com/github/facebook/buck/a5f0342ae3/buck-a5f0342ae3-java11.pex \
     && wget -q -O bin/buildifier https://github.com/bazelbuild/buildtools/releases/latest/download/buildifier \
     && wget -q -O tmp/watchman.zip https://github.com/facebook/watchman/releases/download/v2020.09.21.00/watchman-v2020.09.21.00-linux.zip \
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e1aef33..86f58a6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,7 +84,7 @@ jobs:
       - uses: actions/checkout@v2
       - name: Install Bazel
         run: |
-          wget -q -O install.sh https://github.com/bazelbuild/bazel/releases/download/2.1.1/bazel-2.1.1-installer-linux-x86_64.sh
+          wget -q -O install.sh https://github.com/bazelbuild/bazel/releases/download/4.0.0/bazel-4.0.0-installer-linux-x86_64.sh
           chmod +x install.sh
           ./install.sh --user
           echo $HOME/bin >> $GITHUB_PATH