diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 02372238..7533f1c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -150,7 +150,7 @@ jobs:
     steps:
       - uses: vampire/setup-wsl@4c48163d9f981914dd8caa0fc335fe19cca5bff4 # v7.2.0
         with:
-          distribution: Ubuntu-24.04
+          distribution: Ubuntu-26.04
           use-cache: 'true'
           update: 'false'
           additional-packages: |
@@ -168,7 +168,7 @@ jobs:
 
       - uses: ubuntu/wsl/.github/actions/wsl-checkout@e7fb23c6481945b25b974b6cf7a5c7f4550b6cf8
         with:
-          distro: Ubuntu-24.04
+          distro: Ubuntu-26.04
           working-dir: /root/mycli
 
       - name: Install uv
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d82cc7b8..fdaeaf70 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -179,7 +179,7 @@ jobs:
     steps:
     - uses: vampire/setup-wsl@4c48163d9f981914dd8caa0fc335fe19cca5bff4 # v7.2.0
       with:
-        distribution: Ubuntu-24.04
+        distribution: Ubuntu-26.04
         use-cache: 'true'
         update: 'false'
         additional-packages: |
@@ -197,7 +197,7 @@ jobs:
 
     - uses: ubuntu/wsl/.github/actions/wsl-checkout@e7fb23c6481945b25b974b6cf7a5c7f4550b6cf8
       with:
-        distro: Ubuntu-24.04
+        distro: Ubuntu-26.04
         working-dir: /root/mycli
 
     - name: Install uv
diff --git a/changelog.md b/changelog.md
index 6bbdabcb..1c827243 100644
--- a/changelog.md
+++ b/changelog.md
@@ -8,6 +8,7 @@ Internal
 * Update `coverage` dev dependency to v7.17.0.
 * Update `tox` dev dependency to v4.67.1.
 * Update `ruff` dev dependency to v0.17.2.
+* Update WSL Linux in CI to Ubuntu 26.04.
 
 
 v2.30.2 (2026/10/28)