diff --git a/.github/workflows/CI-unixish-docker.yml b/.github/workflows/CI-unixish-docker.yml
index d6489f191..c5e51d5b4 100644
--- a/.github/workflows/CI-unixish-docker.yml
+++ b/.github/workflows/CI-unixish-docker.yml
@@ -19,10 +19,10 @@ jobs:
 
     strategy:
       matrix:
-        image: ["centos:7", "ubuntu:14.04", "ubuntu:16.04", "ubuntu:18.04", "ubuntu:23.04"]
+        image: ["centos:7", "ubuntu:14.04", "ubuntu:16.04", "ubuntu:18.04", "ubuntu:23.10"]
         include:
           - build_gui: false
-          - image: "ubuntu:23.04"
+          - image: "ubuntu:23.10"
             build_gui: true
       fail-fast: false # Prefer quick result
 
@@ -52,7 +52,7 @@ jobs:
           apt-get update
           apt-get install -y cmake g++ make libxml2-utils libpcre3-dev
 
-      - name: Install missing software on ubuntu 23.04
+      - name: Install missing software (gui) on latest ubuntu
         if: matrix.build_gui
         run: |
           apt-get install -y qt6-base-dev qt6-charts-dev qt6-tools-dev
@@ -107,7 +107,7 @@ jobs:
 
     strategy:
       matrix:
-        image: ["centos:7", "ubuntu:14.04", "ubuntu:16.04", "ubuntu:18.04", "ubuntu:23.04"]
+        image: ["centos:7", "ubuntu:14.04", "ubuntu:16.04", "ubuntu:18.04", "ubuntu:23.10"]
       fail-fast: false # Prefer quick result
 
     runs-on: ubuntu-22.04