diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f24cde9..03be352 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -19,7 +19,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: 3.5
+          python-version: 3.7
       - name: Python Package Cache
         uses: actions/cache@v1
         with:
@@ -55,7 +55,7 @@ jobs:
         run: |
           DESTDIR="$(pwd)/_work/files" ninja -C _work/build install
       - name: Archive Artifacts
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: build
           path: _work