diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 44cd45298..be674ee78 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -145,7 +145,7 @@ jobs:
   package:
     needs: [test,lint]
 
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
 
     if: github.event_name == 'release'
 
@@ -321,7 +321,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-18.04, macos-10.15, windows-2019]
+        os: [ubuntu-20.04, macos-11, windows-2019]
 
         # python versions should be consistent with the strategy matrix and the runs-integration-tests versions
         python: [3.7, 3.8, '3.9.9', '3.10']
diff --git a/Dockerfile b/Dockerfile
index c274a6011..578d0c524 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:20.04
 RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
 
 RUN apt-get update \