diff --git a/.github/workflows/build-rtools40.yml b/.github/workflows/build-rtools40.yml
index 36a2730835b..13f122d698a 100644
--- a/.github/workflows/build-rtools40.yml
+++ b/.github/workflows/build-rtools40.yml
@@ -8,8 +8,8 @@ jobs:
     strategy:
       matrix:
         include: [
-          { msystem: MINGW64, toolchain: x86_64 },
-          { msystem: MINGW32, toolchain: i686 },
+          #{ msystem: MINGW64, toolchain: x86_64 },
+          #{ msystem: MINGW32, toolchain: i686 },
           { msystem: ucrt64, toolchain: "ucrt-x86_64" }
         ]
       fail-fast: false