diff --git a/.github/workflows/oxipng.yml b/.github/workflows/oxipng.yml
index 4dc8d129..ae39ec88 100644
--- a/.github/workflows/oxipng.yml
+++ b/.github/workflows/oxipng.yml
@@ -19,7 +19,7 @@ jobs:
           - x86_64-apple-darwin
         toolchain:
           # Minimum stable
-          - "1.56.0"
+          - "1.56.1"
           - stable
           - beta
           - nightly