diff --git a/.github/workflows/real-test.yaml b/.github/workflows/real-test.yaml
index 5f97108..29c7bcb 100644
--- a/.github/workflows/real-test.yaml
+++ b/.github/workflows/real-test.yaml
@@ -13,7 +13,7 @@ permissions:
 
 jobs:
   selftest:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     env:
       GITHUB_APP_ID: ${{ secrets.TEST_GITHUB_APP_ID }}
       GITHUB_APP_PRIVATE_KEY: ${{ secrets.TEST_GITHUB_APP_PRIVATE_KEY }}
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index cd92f07..e4ad018 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -43,7 +43,7 @@ jobs:
 
   # Test building the package and installing it via pip3
   test-build-install:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
@@ -67,7 +67,7 @@ jobs:
 
   # Quality checks
   ruff-lint:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
@@ -77,7 +77,7 @@ jobs:
         run: uv run ruff check
 
   ruff-format:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
@@ -86,7 +86,7 @@ jobs:
       - name: Check formatting with ruff
         run: uv run ruff format --check
   ty:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with: