diff --git a/Justfile b/Justfile
new file mode 100644
index 0000000..50813c8
--- /dev/null
+++ b/Justfile
@@ -0,0 +1,28 @@
+set ignore-comments := true
+set shell := ["zsh", "+o", "nomatch", "-ecu"]
+set unstable := true
+set script-interpreter := ["zsh", "+o", "nomatch", "-eu"]
+
+_default:
+	@just --list --unsorted
+
+[private]
+[doc('Block execution if Git working tree isn’t pristine.')]
+pristine:
+	# Ensure there are no changes in staging
+	git diff-index --quiet --cached HEAD || exit 1
+	# Ensure there are no changes in the working tree
+	git diff-files --quiet || exit 1
+
+release semver: pristine
+	sed -i -e "/image:/s/:v.*/:v{{semver}}/" action.yml
+	make rockspecs/fontproof-{{semver}}-1.rockspec
+	git add action.yml README.md rockspecs/fontproof-{{semver}}-1.rockspec
+	git commit -m "chore: Release {{semver}}"
+	git tag v{{semver}}
+	git push upstream v{{semver}}
+	git push upstream master
+	luarocks pack rockspecs/fontproof-{{semver}}-1.rockspec
+	gh release create v{{semver}} -t "FontProof v{{semver}}" fontproof-{{semver}}-1.src.rock
+
+# vim: set ft=just