diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a9859023..96a2cef1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        runs-on: [ubuntu-24.04, ubuntu-24.04-arm, macos-26, windows-2025]
+        runs-on: [ubuntu-26.04, ubuntu-26.04-arm, macos-26, windows-2025]
     uses: munich-quantum-toolkit/workflows/.github/workflows/reusable-python-tests.yml@ace7363a2a8e036e5efc6717be67f1eda29a120e # v2.4.2
     with:
       runs-on: ${{ matrix.runs-on }}
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 7841efdb..5e539109 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,7 +7,7 @@ sphinx:
   configuration: docs/conf.py
 
 build:
-  os: ubuntu-24.04
+  os: ubuntu-26.04
   tools:
     python: "3.14"