diff --git a/.github/workflows/docker_publish.yml b/.github/workflows/docker_publish.yml
index 520470255..42edbd1cd 100644
--- a/.github/workflows/docker_publish.yml
+++ b/.github/workflows/docker_publish.yml
@@ -15,7 +15,6 @@ jobs:
     strategy:
       matrix:
         ubuntu_version : [
-          20.04,
           22.04,
         ]
         compiler : [
@@ -97,7 +96,6 @@ jobs:
     strategy:
       matrix:
         ubuntu_version : [
-          20.04,
           22.04,
         ]
         compiler : [
diff --git a/.github/workflows/linux_build_test.yml b/.github/workflows/linux_build_test.yml
index 383a2fd19..2aaf9ec29 100644
--- a/.github/workflows/linux_build_test.yml
+++ b/.github/workflows/linux_build_test.yml
@@ -37,7 +37,6 @@ jobs:
     strategy:
       matrix:
         ubuntu_version : [
-          20.04,
           22.04,
         ]
         compiler : [