diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 5cf9c93..4379375 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -11,7 +11,9 @@ on:
 jobs:
   build-windows:
     name: Windows
-    runs-on: windows-latest
+    runs-on: windows-2019
+    env:
+      BOOST_ROOT: C:\thirdparties\boost-1.72.0
     steps:
       - uses: actions/checkout@master
         with:
@@ -98,7 +100,7 @@ jobs:
 
   build-macos:
     name: macOS
-    runs-on: macos-latest
+    runs-on: macos-11
     env:
       MACOSX_DEPLOYMENT_TARGET: '10.12'	
     steps:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 492fcf0..4551a36 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,9 @@ on:
 jobs:
   build-windows:
     name: Windows
-    runs-on: windows-latest
+    runs-on: windows-2019
+    env:
+      BOOST_ROOT: C:\thirdparties\boost-1.72.0
     steps:
       - uses: actions/checkout@master
         with:
@@ -98,7 +100,7 @@ jobs:
 
   build-macos:
     name: macOS
-    runs-on: macos-latest
+    runs-on: macos-11
     env:
       MACOSX_DEPLOYMENT_TARGET: '10.12'	
     steps: