diff --git a/.github/workflows/macos.yaml b/.github/workflows/macos.yaml
index 054581c4c..618457151 100644
--- a/.github/workflows/macos.yaml
+++ b/.github/workflows/macos.yaml
@@ -38,7 +38,7 @@ jobs:
 
   unit:
     needs: cancel
-    runs-on: macos-latest
+    runs-on: macos-10.15
     name: Unit tests
     strategy:
       matrix:
@@ -91,7 +91,7 @@ jobs:
 
   integration:
     needs: cancel
-    runs-on: macos-latest
+    runs-on: macos-10.15
     name: Integration tests
     strategy:
       matrix:
@@ -144,7 +144,7 @@ jobs:
 
   scenarios:
     needs: cancel
-    runs-on: macos-latest
+    runs-on: macos-10.15
     name: Scenarios
     strategy:
       matrix:
@@ -205,7 +205,7 @@ jobs:
 
   build:
     needs: cancel
-    runs-on: macos-latest
+    runs-on: macos-10.15
     name: Build packages
     steps:
       - uses: actions/checkout@v2