diff --git a/.github/workflows/rolling.yaml b/.github/workflows/rolling.yaml
index 8d5ec03..c5d8791 100644
--- a/.github/workflows/rolling.yaml
+++ b/.github/workflows/rolling.yaml
@@ -9,9 +9,9 @@ on:
       - rolling
 jobs:
   build-and-test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     container:
-      image: ubuntu:noble
+      image: ubuntu:resolute
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/rolling_cron.yaml b/.github/workflows/rolling_cron.yaml
index 4134591..f3667ab 100644
--- a/.github/workflows/rolling_cron.yaml
+++ b/.github/workflows/rolling_cron.yaml
@@ -5,9 +5,9 @@ on:
       - cron: '0 0 * * 6'     
 jobs:
   build-and-test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     container:
-      image: ubuntu:noble
+      image: ubuntu:resolute
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/navmap_ros/tests/test_navmap_io.cpp b/navmap_ros/tests/test_navmap_io.cpp
index 8168125..f0b7ace 100644
--- a/navmap_ros/tests/test_navmap_io.cpp
+++ b/navmap_ros/tests/test_navmap_io.cpp
@@ -61,7 +61,7 @@ void fill_basic_header(navmap_ros_interfaces::msg::NavMap & msg, const std::stri
 // --- helpers: semantic comparison for messages ---
 
 template<typename T>
-static void ExpectVecEq(const std::vector<T> & a, const std::vector<T> & b, const char * what)
+static void ExpectVecEq(const T & a, const T & b, const char * what)
 {
   ASSERT_EQ(a.size(), b.size()) << what << " size mismatch";
   for (size_t i = 0; i < a.size(); ++i) {