diff --git a/.github/workflows/build-rd-kt.yml b/.github/workflows/build-rd-kt.yml
index b38602eb7..b2ffd5a64 100644
--- a/.github/workflows/build-rd-kt.yml
+++ b/.github/workflows/build-rd-kt.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-11, windows-2019]
+        os: [macos-14, windows-2019]
       fail-fast: false
     env:
       GRADLE_USER_HOME: ${{ github.workspace }}/.github/gradle
diff --git a/.github/workflows/build-rd-net.yml b/.github/workflows/build-rd-net.yml
index 78a163ae1..2ede5e8c6 100644
--- a/.github/workflows/build-rd-net.yml
+++ b/.github/workflows/build-rd-net.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ macos-12, ubuntu-22.04, windows-2022 ]
+        os: [ macos-13, ubuntu-22.04, windows-2022 ]
       fail-fast: false
     timeout-minutes: 15
     steps: