diff --git a/.github/workflows/elixir_tests.yml b/.github/workflows/elixir_tests.yml
index 01c99cf..9ae221f 100644
--- a/.github/workflows/elixir_tests.yml
+++ b/.github/workflows/elixir_tests.yml
@@ -4,7 +4,7 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build_and_test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     container:
       image: hexpm/elixir:1.20.1-erlang-29.0-debian-bookworm-20260610
@@ -48,7 +48,7 @@ jobs:
           ./bin/test_all_exercises.sh
 
   smoke_test_in_docker:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
       - name: Checkout repository
diff --git a/.github/workflows/exercism_test_helper_build_test.yml b/.github/workflows/exercism_test_helper_build_test.yml
index 77eb048..1871744 100644
--- a/.github/workflows/exercism_test_helper_build_test.yml
+++ b/.github/workflows/exercism_test_helper_build_test.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     container:
       image: hexpm/elixir:1.20.1-erlang-29.0-debian-bookworm-20260610