diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
new file mode 100644
index 000000000..6a493a950
--- /dev/null
+++ b/.pre-commit-hooks.yaml
@@ -0,0 +1,8 @@
+- id: tanka-format
+  name: tkfmt
+  description: Automatically format jsonnet files.
+  entry: tk
+  args: [fmt]
+  language: golang
+  files: \.(jsonnet|libsonnet)$
+  minimum_pre_commit_version: 2.10.1