diff --git a/Dockerfile b/Dockerfile
index 4fd3c82..f0a427a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,7 @@ RUN apk add --no-cache --virtual .build-deps \
     autoflake==1.4 \
     black==22.3.0 \
     isort==5.10.1 \
+    sqlfluff==1.4.5 \
   && python3 -m venv /black21-venv \
   && source /black21-venv/bin/activate \
   && pip3 install black==21.12b0 click==8.0.4 \
diff --git a/README.md b/README.md
index 33abc1e..7f4e573 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ This repo currently contains a single [pre-commit](https://pre-commit.com/) hook
 - [ktfmt](https://github.com/facebookincubator/ktfmt) v0.35 for Kotlin
 - [scalafmt](https://scalameta.org/scalafmt/) v3.5.1 for Scala
 - [shfmt](https://github.com/mvdan/sh) v3.4.3 for Shell
+- [SQLFluff](https://github.com/sqlfluff/sqlfluff) v1.4.5 for SQL
 - [xsltproc](http://www.xmlsoft.org/xslt/xsltproc.html) from libxslt v10135 for XML
 - [terraform fmt](https://github.com/hashicorp/terraform) v1.1.8 for Terraform
 - [ClangFormat](https://clang.llvm.org/docs/ClangFormat.html) v13.0.1 for Protobuf
diff --git a/entry.ts b/entry.ts
index c6d863a..6894326 100644
--- a/entry.ts
+++ b/entry.ts
@@ -77,6 +77,7 @@ const enum HookName {
   Scalafmt = "scalafmt",
   Sed = "sed",
   Shfmt = "shfmt",
+  SqlFluff = "SQLFluff",
   Svgo = "SVGO",
   TerraformFmt = "terraform fmt",
   Xsltproc = "xsltproc",
@@ -340,6 +341,20 @@ const HOOKS: Record<HookName, LockableHook> = {
     include: /./,
     runAfter: [HookName.Sed],
   }),
+  [HookName.SqlFluff]: createLockableHook({
+    action: sources =>
+      run(
+        "sqlfluff",
+        "fix",
+        "--dialect",
+        "bigquery",
+        "--force",
+        "--ignore-local-config",
+        ...sources,
+      ),
+    include: /\.sql$/,
+    runAfter: [HookName.Sed],
+  }),
   [HookName.Svgo]: createLockableHook({
     action: sources => run("svgo", "--config", "/svgo.config.js", ...sources),
     include: /\.svg$/,