diff --git a/.github/workflows/matrix.yml b/.github/workflows/matrix.yml
index 53c1f87745d7..5f2d021dd054 100644
--- a/.github/workflows/matrix.yml
+++ b/.github/workflows/matrix.yml
@@ -59,12 +59,12 @@ jobs:
             native: linux64
             title: Clang 9, Ubuntu, Tiles, NoSound, ASan, UBSan
           - compiler: clang++
-            os: macos-10.15
+            os: macos-11
             cmake: 0
             tiles: 1
             sound: 1
             native: osx
-            title: Clang 12, macOS 10.15, Tiles, Localize
+            title: Clang 12, macOS 11, Tiles, Localize
     name: ${{ matrix.title }}
     runs-on: ${{ matrix.os }}
     env:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f9aab2e3efe8..dd0d0afd465b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -115,14 +115,14 @@ jobs:
             ext: tar.gz
             content: application/gzip
           - name: osx-curses-x64
-            os: macos-10.15
+            os: macos-11
             mxe: none
             tiles: 0
             artifact: osx-curses-x64
             ext: dmg
             content: application/x-apple-diskimage
           - name: osx-tiles-x64
-            os: macos-10.15
+            os: macos-11
             mxe: none
             tiles: 1
             artifact: osx-tiles-x64