diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index e731646..955a429 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - runner: macos-latest
+          - runner: macos-11
             shell: bash
           - runner: ubuntu-latest
             shell: bash
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index feecd84..4b83f08 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - runner: macos-latest
+          - runner: macos-11
             shell: bash
           - runner: windows-latest
             shell: msys2 {0}
@@ -146,7 +146,7 @@ jobs:
             tasks: publishToSonatype closeSonatypeStagingRepository
             enabled: ${{ github.event.inputs.skipMavenCentral != 'y' }}
         os:
-          - runner: macos-latest
+          - runner: macos-11
             shell: bash
           - runner: windows-latest
             shell: msys2 {0}
diff --git a/.github/workflows/sandbox.yml b/.github/workflows/sandbox.yml
index e5757e0..5204c86 100644
--- a/.github/workflows/sandbox.yml
+++ b/.github/workflows/sandbox.yml
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - runner: macos-latest
+          - runner: macos-11
             shell: bash
           - runner: windows-latest
             shell: msys2 {0}