diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f44f7c61cd..95e51394da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,8 @@ jobs:
         # A mapping from msys2/setup-msys2 version to msys2 version can be
         # found at
         # https://github.com/msys2/setup-msys2/blob/main/CHANGELOG.md
-        # 2.20.1 provides msys2 snapshot 20230718
-        uses: msys2/setup-msys2@v2.20.1
+        # 2.21.0 provides msys2 snapshot 20231026
+        uses: msys2/setup-msys2@v2.21.0
         with:
           msystem: UCRT64
           install: >