diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7bf8f29..cc4710a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ env:
 
 jobs:
   fmt:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87 # stable
@@ -19,7 +19,7 @@ jobs:
       - run: cargo fmt --all --check
 
   clippy:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87 # stable
@@ -29,7 +29,7 @@ jobs:
       - run: cargo clippy --workspace --tests -- -D warnings
 
   test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87 # stable
@@ -41,7 +41,7 @@ jobs:
   # outputs are compared; the encoded descriptor set may differ byte-wise
   # between protoc versions.
   codegen-drift:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87 # stable
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 8994bf9..2ed96cb 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,7 +19,7 @@ permissions:
 
 jobs:
   publish:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     permissions:
       id-token: write
     steps:
@@ -50,7 +50,7 @@ jobs:
 
   release:
     needs: publish
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     permissions:
       contents: write
     steps: