diff --git a/.github/workflows/check_graalvm.yml b/.github/workflows/check_graalvm.yml
index 4ef29c103..b524e14bf 100644
--- a/.github/workflows/check_graalvm.yml
+++ b/.github/workflows/check_graalvm.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-12, windows-2022]
+        os: [ubuntu-20.04, macos-13, windows-2022]
         transport: [native, nio]
         exclude:
           # excludes native on Windows (there's none)
diff --git a/.github/workflows/check_netty_snapshots.yml b/.github/workflows/check_netty_snapshots.yml
index e2d6879d6..d81e76c3e 100644
--- a/.github/workflows/check_netty_snapshots.yml
+++ b/.github/workflows/check_netty_snapshots.yml
@@ -11,14 +11,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-12, windows-2019]
+        os: [ubuntu-20.04, macos-13, windows-2019]
         transport: [native, nio]
         exclude:
           # excludes native on Windows (there's none)
           - os: windows-2019
             transport: native
           # macOS - https://github.com/netty/netty/issues/9689
-          - os: macos-12
+          - os: macos-13
             transport: native
 
     steps:
diff --git a/.github/workflows/check_transport.yml b/.github/workflows/check_transport.yml
index 253b88be6..ac1dea253 100644
--- a/.github/workflows/check_transport.yml
+++ b/.github/workflows/check_transport.yml
@@ -43,7 +43,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-12, windows-2019]
+        os: [ubuntu-20.04, macos-13, windows-2019]
         transport: [native, nio]
         exclude:
           # excludes native on Windows (there's none)