diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f608e3ee..a8943327 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -103,12 +103,12 @@ stages:
       - job: "port_linux"
         displayName: "Linux"
         pool:
-          vmImage: ubuntu-24.04
+          vmImage: ubuntu-22.04
         variables:
           - name: vcpkg.root
             value: "/usr/local/share/vcpkg" # VCPKG_INSTALLATION_ROOT
         strategy:
-          matrix: # ubuntu-24.04
+          matrix: # ubuntu-22.04
             x64_clang15:
               vcpkg.default.triplet: "x64-linux"
               cc: clang-15
diff --git a/test/packages-apt.txt b/test/packages-apt.txt
index 49395328..c6312122 100644
--- a/test/packages-apt.txt
+++ b/test/packages-apt.txt
@@ -5,3 +5,5 @@ libx11-dev
 libxi-dev
 libxext-dev
 libx11-xcb-dev
+g++-13
+libstdc++-13-dev