diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bec3cf3..3fbb5fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
 
   lockfile:
     name: Lockfile consistency
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v7
@@ -42,7 +42,7 @@ jobs:
   msrv:
     name: MSRV (Rust 1.94.1)
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 30
     # Rust 1.94 remains the compatibility contract. Keep this lane separate
     # from the current-stable lane so new language/library features cannot
@@ -63,7 +63,7 @@ jobs:
 
   format:
     name: Format
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v7
@@ -112,7 +112,7 @@ jobs:
 
   clippy:
     name: Clippy (native)
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 30
     env:
       RUSTFLAGS: "-C target-cpu=x86-64-v2"
@@ -164,7 +164,7 @@ jobs:
   wasm-check:
     name: WASM link (${{ matrix.package }})
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 30
     strategy:
       fail-fast: false
@@ -187,7 +187,7 @@ jobs:
   unit-tests:
     name: Unit tests
     if: github.event_name == 'pull_request'
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 30
     env:
       RUSTFLAGS: "-C target-cpu=x86-64-v2"
@@ -232,7 +232,7 @@ jobs:
   audit:
     name: Dependency audit
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v7
@@ -256,7 +256,7 @@ jobs:
   leptos-build:
     name: Leptos production builds
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 45
     env:
       SCCACHE_DIR: ${{ github.workspace }}/.sccache/leptos-build
@@ -310,7 +310,7 @@ jobs:
   docker-build:
     name: Docker image (${{ matrix.image }})
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 45
     strategy:
       fail-fast: false
@@ -344,7 +344,7 @@ jobs:
   e2e-tests:
     name: Browser + integration E2E
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 60
     env:
       SCCACHE_DIR: ${{ github.workspace }}/.sccache/e2e
diff --git a/.github/workflows/dependency-quarantine.yml b/.github/workflows/dependency-quarantine.yml
index 6014a15..e407435 100644
--- a/.github/workflows/dependency-quarantine.yml
+++ b/.github/workflows/dependency-quarantine.yml
@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   quarantine:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v7.0.1
diff --git a/.github/workflows/maintenance-queue.yml b/.github/workflows/maintenance-queue.yml
index 43e79b8..9c15c27 100644
--- a/.github/workflows/maintenance-queue.yml
+++ b/.github/workflows/maintenance-queue.yml
@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   rust-release-queue:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 10
     steps:
       - name: Detect current stable Rust and queue a full review