diff --git a/.semaphore/post_install.yml b/.semaphore/post_install.yml
index 66c39c96..a60d9293 100644
--- a/.semaphore/post_install.yml
+++ b/.semaphore/post_install.yml
@@ -136,7 +136,7 @@ blocks:
     task:
       agent:
         machine:
-          type: s1-prod-macos-13-5-amd64
+          type: s1-macos-15-amd64-6
       jobs:
         - name: "Install"
           matrix:
@@ -151,7 +151,7 @@ blocks:
     task:
       agent:
         machine:
-          type: s1-prod-macos-13-5-arm64
+          type: s1-macos-15-arm64-8
       jobs:
         - name: "Install"
           matrix:
diff --git a/.semaphore/semaphore.yml b/.semaphore/semaphore.yml
index 915f148c..a17da647 100644
--- a/.semaphore/semaphore.yml
+++ b/.semaphore/semaphore.yml
@@ -79,7 +79,7 @@ blocks:
     task:
       agent:
         machine:
-          type: s1-prod-macos-13-5-arm64
+          type: s1-macos-15-arm64-8
       jobs:
         - name: 'Build from source and test'
           commands:
@@ -336,7 +336,7 @@ blocks:
     task:
       agent:
         machine:
-          type: s1-prod-macos-13-5-arm64
+          type: s1-macos-15-arm64-8
       env_vars:
         - name: ARCHITECTURE
           value: "arm64"
@@ -372,7 +372,7 @@ blocks:
     task:
       agent:
         machine:
-          type: s1-prod-macos-13-5-amd64
+          type: s1-macos-15-amd64-6
       env_vars:
         - name: ARCHITECTURE
           value: "x64"