diff --git a/Dockerfile b/Dockerfile
index 90466d4..f35becb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,6 @@ RUN apk add --no-cache --virtual .build-deps \
     npm \
     python3-dev \
   && apk add --no-cache \
-    clang-extra-tools \
     libxslt \
     nodejs \
     openjdk17-jre-headless \
@@ -33,6 +32,9 @@ RUN apk add --no-cache --virtual .build-deps \
     svgo@3.0.3 \
     typescript@5.2.2 \
   && apk del .build-deps \
+  && wget https://github.com/bufbuild/buf/releases/download/v1.32.0/buf-Linux-aarch64 -O buf \
+  && chmod +x buf \
+  && mkdir /.cache && chmod -R 777 /.cache \
   && wget https://github.com/google/google-java-format/releases/download/v1.18.1/google-java-format-1.18.1-all-deps.jar -O google-java-format \
   && wget https://search.maven.org/remotecontent?filepath=com/facebook/ktfmt/0.46/ktfmt-0.46-jar-with-dependencies.jar -O ktfmt \
   && wget https://github.com/mvdan/sh/releases/download/v3.7.0/shfmt_v3.7.0_linux_amd64 -O shfmt \
diff --git a/README.md b/README.md
index 9f8c239..bdc5943 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ This repo currently contains a single [pre-commit](https://pre-commit.com/) hook
 - [shfmt](https://github.com/mvdan/sh) v3.7.0 for Shell
 - [xsltproc](http://www.xmlsoft.org/xslt/xsltproc.html) from libxslt v10138 for XML
 - [terraform fmt](https://github.com/hashicorp/terraform) v1.6.3 for Terraform
-- [ClangFormat](https://clang.llvm.org/docs/ClangFormat.html) v16.0.6 for Protobuf
+- [Buf](https://github.com/bufbuild/buf) v1.32.0 for Protobuf
 - [SVGO](https://github.com/svg/svgo) v3.0.3 for SVG
 - Custom regex transformations (basically [sed](https://en.wikipedia.org/wiki/Sed)), for example:
   - Trimming trailing whitespace and newlines
diff --git a/entry.ts b/entry.ts
index 26e0ec5..c50e526 100644
--- a/entry.ts
+++ b/entry.ts
@@ -74,7 +74,7 @@ const transformFile = (path: string, transform: (before: string) => string) =>
 const enum HookName {
   Autoflake = "autoflake",
   Black = "Black",
-  ClangFormat = "ClangFormat",
+  Buf = "Buf",
   GoogleJavaFormat = "google-java-format",
   Isort = "isort",
   Ktfmt = "ktfmt",
@@ -171,14 +171,9 @@ const HOOKS: Record<HookName, LockableHook> = {
     include: /\.py$/,
     runAfter: [HookName.Isort],
   }),
-  [HookName.ClangFormat]: createLockableHook({
+  [HookName.Buf]: createLockableHook({
     action: sources =>
-      run(
-        "clang-format",
-        "-i", // Edit files in-place
-        "--style=Google",
-        ...sources,
-      ),
+      run("/buf", "format", "-w", ...sources.flatMap(s => ["--path", s])),
     include: /\.proto$/,
     runAfter: [HookName.Sed],
   }),