1 files changed, 6 insertions, 6 deletions

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 55cd0a8..caabbc6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,7 +3,7 @@ on: pull_request
 
 jobs:
   build-viewer:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest, windows-latest ]
+        os: [ ubuntu-20.04, windows-2019 ]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
@@ -55,7 +55,7 @@ jobs:
   # See https://github.com/ldgallery/ldgallery/issues/285
   archive-linux:
     needs: [ build-viewer, build-compiler ]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - name: Bundle ldgallery viewer
@@ -66,7 +66,7 @@ jobs:
       - name: Bundle ldgallery compiler
         uses: actions/download-artifact@v2
         with:
-          name: compiler-dist-ubuntu-latest
+          name: compiler-dist-ubuntu-20.04
           path: dist
       - name: Install build dependencies
         run: |
@@ -86,7 +86,7 @@ jobs:
 
   archive-windows:
     needs: [ build-viewer, build-compiler ]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2
@@ -101,7 +101,7 @@ jobs:
       - name: Bundle ldgallery compiler
         uses: actions/download-artifact@v2
         with:
-          name: compiler-dist-windows-latest
+          name: compiler-dist-windows-2019
           path: dist
       - name: Install build dependencies
         run: |