diff --git a/.github/workflows/CITest.yml b/.github/workflows/CITest.yml
index 5de2c8f8e9..1a91d7466a 100644
--- a/.github/workflows/CITest.yml
+++ b/.github/workflows/CITest.yml
@@ -30,40 +30,40 @@ jobs:
       matrix:
         config:
           - {
-              name: 'ubuntu-18.04 x64 python2.7 cmake',
-              os: ubuntu-18.04,
+              name: 'ubuntu-20.04 x64 python2.7 cmake',
+              os: ubuntu-20.04,
               arch: x64,
               python-arch: x64,
               python-version: '2.7',
               build-system: 'cmake',
             }
           - {
-              name: 'ubuntu-18.04 x64 python3.6 cmake',
-              os: ubuntu-18.04,
+              name: 'ubuntu-20.04 x64 python3.6 cmake',
+              os: ubuntu-20.04,
               arch: x64,
               python-arch: x64,
               python-version: '3.6',
               build-system: 'cmake',
             }
           - {
-              name: 'ubuntu-20.04 x64 python2.7 cmake',
-              os: ubuntu-20.04,
+              name: 'ubuntu-22.04 x64 python2.7 cmake',
+              os: ubuntu-22.04,
               arch: x64,
               python-arch: x64,
               python-version: '2.7',
               build-system: 'cmake',
             }
           - {
-              name: 'ubuntu-20.04 x64 python3.9 make',
-              os: ubuntu-20.04,
+              name: 'ubuntu-22.04 x64 python3.9 make',
+              os: ubuntu-22.04,
               arch: x64,
               python-arch: x64,
               python-version: '3.9',
               build-system: 'make',
             }            
           - {
-              name: 'ubuntu-20.04 x64 python3.9 cmake',
-              os: ubuntu-20.04,
+              name: 'ubuntu-22.04 x64 python3.9 cmake',
+              os: ubuntu-22.04,
               arch: x64,
               python-arch: x64,
               python-version: '3.9',