diff --git a/.github/workflows/early-access.yml b/.github/workflows/early-access.yml
index d87fe6d..a3d666f 100644
--- a/.github/workflows/early-access.yml
+++ b/.github/workflows/early-access.yml
@@ -17,12 +17,12 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ ubuntu-latest, macOS-12, macos-14, windows-latest ]
+        os: [ ubuntu-latest, macOS-13, macos-14, windows-latest ]
         gu-binary: [ gu, gu.cmd ]
         exclude:
           - os: ubuntu-latest
             gu-binary: gu.cmd
-          - os: macOS-12
+          - os: macOS-13
             gu-binary: gu.cmd
           - os: macos-14
             gu-binary: gu.cmd
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8dfbd4c..636db7e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -70,12 +70,12 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ ubuntu-latest, macOS-12, macos-14, windows-latest ]
+        os: [ ubuntu-latest, macOS-13, macos-14, windows-latest ]
         gu-binary: [ gu, gu.cmd ]
         exclude:
           - os: ubuntu-latest
             gu-binary: gu.cmd
-          - os: macOS-12
+          - os: macOS-13
             gu-binary: gu.cmd
           - os: macos-14
             gu-binary: gu.cmd