diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f39d6c55..ddf73d62 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -151,7 +151,8 @@ jobs:
       - uses: vampire/setup-wsl@d1da7f2c0322a5ee4f24975344f67fc0f5baf364 # v7.0.0
         with:
           distribution: Ubuntu-24.04
-          update: 'true'
+          use-cache: 'true'
+          update: 'false'
           additional-packages: |
             curl
             git
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index da976bd5..0a4ddc3e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -159,7 +159,8 @@ jobs:
     - uses: vampire/setup-wsl@d1da7f2c0322a5ee4f24975344f67fc0f5baf364 # v7.0.0
       with:
         distribution: Ubuntu-24.04
-        update: 'true'
+        use-cache: 'true'
+        update: 'false'
         additional-packages: |
           curl
           git
diff --git a/changelog.md b/changelog.md
index 7a378fb0..3c644f52 100644
--- a/changelog.md
+++ b/changelog.md
@@ -17,6 +17,7 @@ Internal
 * Upgrade `polars` dependency to v1.44.1.
 * Upgrade `sqlparse` dependency to v0.6.0.
 * Upgrade optional `pip` dependency to v26.2.1.
+* Use cache and turn off distro update for WSL tests in CI.
 
 
 2.18.5 (2026/08/31)