diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index 4d9425b..98c55e5 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -12,4 +12,4 @@ jobs:
           options: "--check --verbose"
           src: "./sdofm"
           jupyter: true
-          version: "21.5b1"
+          version: "~= 22.0"