diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8c50614a..0a921f34 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,12 +9,11 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu:20.04
           - ubuntu:22.04
           - ubuntu:24.04
           - quay.io/centos/centos:stream9
         version:
-          - "26.1"
+          - "27.5"
           - ""
 
     steps:
diff --git a/install.sh b/install.sh
index 13731acb..dd03d442 100755
--- a/install.sh
+++ b/install.sh
@@ -489,7 +489,7 @@ do_install() {
 		raspbian.buster|raspbian.stretch|raspbian.jessie)
 			deprecation_notice "$lsb_dist" "$dist_version"
 			;;
-		ubuntu.bionic|ubuntu.xenial|ubuntu.trusty)
+		ubuntu.focal|ubuntu.bionic|ubuntu.xenial|ubuntu.trusty)
 			deprecation_notice "$lsb_dist" "$dist_version"
 			;;
 		ubuntu.mantic|ubuntu.lunar|ubuntu.kinetic|ubuntu.impish|ubuntu.hirsute|ubuntu.groovy|ubuntu.eoan|ubuntu.disco|ubuntu.cosmic)