diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 17f10a8..ff29335 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -67,9 +67,9 @@ jobs:
     - name: make
       run: make
     
-  MacOS12:
-    name: Build MacOS Monterey 12
-    runs-on: macos-12
+MacOS13:
+    name: Build MacOS 13
+    runs-on: macos-13
 
     steps:
     - uses: actions/checkout@v3
@@ -79,10 +79,10 @@ jobs:
         brew install libpcap
     - name: make
       run: make
-
-  MacOS11:
-    name: Build MacOS Big Sur 11
-    runs-on: macos-11
+  
+MacOS12:
+    name: Build MacOS Monterey 12
+    runs-on: macos-12
 
     steps:
     - uses: actions/checkout@v3
@@ -91,4 +91,4 @@ jobs:
         brew update
         brew install libpcap
     - name: make
-      run: make
+      run: make
\ No newline at end of file