diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 85b3a12..137a3c8 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -8,3 +8,5 @@ updates:
     schedule:
       interval: yearly
     open-pull-requests-limit: 0
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/weekly-update.yml b/.github/workflows/weekly-update.yml
index d3f052b..60c6d6e 100644
--- a/.github/workflows/weekly-update.yml
+++ b/.github/workflows/weekly-update.yml
@@ -37,7 +37,7 @@ jobs:
           cache: ''
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@58e6119fe4f3092a76a7771efb55e04d25b6b26f # v5
+        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
 
       - name: Install dependencies
         shell: bash
@@ -69,6 +69,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Setup Node.js
         uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
@@ -77,7 +78,7 @@ jobs:
           cache: ''
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@58e6119fe4f3092a76a7771efb55e04d25b6b26f # v5
+        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
 
       - name: Install dependencies
         shell: bash
@@ -134,8 +135,11 @@ jobs:
         if: steps.claude.outputs.success == 'true' && steps.changes.outputs.has-changes == 'true'
         shell: bash
         env:
+          GH_TOKEN: ${{ github.token }}
           BRANCH_NAME: ${{ steps.branch.outputs.branch }}
-        run: git push origin "$BRANCH_NAME"
+        run: |
+          git remote set-url origin "https://x-access-token:${GH_TOKEN}@github.com/${{ github.repository }}.git"
+          git push origin "$BRANCH_NAME"
 
       - name: Create Pull Request
         if: steps.claude.outputs.success == 'true' && steps.changes.outputs.has-changes == 'true'
diff --git a/.github/zizmor.yml b/.github/zizmor.yml
new file mode 100644
index 0000000..39d1b18
--- /dev/null
+++ b/.github/zizmor.yml
@@ -0,0 +1,3 @@
+rules:
+  secrets-outside-env:
+    disable: true
diff --git a/src/releases/github.ts b/src/releases/github.ts
index f4aa212..19672e6 100644
--- a/src/releases/github.ts
+++ b/src/releases/github.ts
@@ -103,27 +103,6 @@ export const SOCKET_BTM_REPO = {
 
 const logger = getDefaultLogger()
 
-// In-memory TTL cache for GitHub API responses.
-// Prevents redundant API calls during parallel asset downloads and
-// repeated builds (e.g., pre-commit hooks) within the same process.
-const API_CACHE_TTL_MS = 5 * 60_000
-const _apiCache = new Map<string, { data: unknown; expiresAt: number }>()
-
-function getCachedApiResponse<T>(key: string): T | undefined {
-  const entry = _apiCache.get(key)
-  if (entry && entry.expiresAt > Date.now()) {
-    return entry.data as T
-  }
-  if (entry) {
-    _apiCache.delete(key)
-  }
-  return undefined
-}
-
-function setCachedApiResponse(key: string, data: unknown): void {
-  _apiCache.set(key, { data, expiresAt: Date.now() + API_CACHE_TTL_MS })
-}
-
 let _fs: typeof import('node:fs') | undefined
 let _path: typeof import('node:path') | undefined
 
@@ -383,42 +362,32 @@ export async function getLatestRelease(
   // Create matcher function if pattern provided.
   const isMatch = assetPattern ? createAssetMatcher(assetPattern) : undefined
 
-  const cacheKey = `releases:${owner}/${repo}`
-
   return await pRetry(
     async () => {
-      // Check in-memory cache first to avoid redundant API calls.
-      let releases = getCachedApiResponse<
-        Array<{
-          tag_name: string
-          published_at: string
-          assets: Array<{ name: string }>
-        }>
-      >(cacheKey)
-
-      if (!releases) {
-        // Fetch recent releases (100 should cover all tool releases).
-        const response = await httpRequest(
-          `https://api.github.com/repos/${owner}/${repo}/releases?per_page=100`,
-          {
-            headers: getAuthHeaders(),
-          },
-        )
-
-        if (!response.ok) {
-          throw new Error(`Failed to fetch releases: ${response.status}`)
-        }
+      // Fetch recent releases (100 should cover all tool releases).
+      const response = await httpRequest(
+        `https://api.github.com/repos/${owner}/${repo}/releases?per_page=100`,
+        {
+          headers: getAuthHeaders(),
+        },
+      )
 
-        try {
-          releases = JSON.parse(response.body.toString('utf8'))
-        } catch (cause) {
-          throw new Error(
-            `Failed to parse GitHub releases response from https://api.github.com/repos/${owner}/${repo}/releases`,
-            { cause },
-          )
-        }
+      if (!response.ok) {
+        throw new Error(`Failed to fetch releases: ${response.status}`)
+      }
 
-        setCachedApiResponse(cacheKey, releases)
+      let releases: Array<{
+        tag_name: string
+        published_at: string
+        assets: Array<{ name: string }>
+      }>
+      try {
+        releases = JSON.parse(response.body.toString('utf8'))
+      } catch (cause) {
+        throw new Error(
+          `Failed to parse GitHub releases response from https://api.github.com/repos/${owner}/${repo}/releases`,
+          { cause },
+        )
       }
 
       // Filter releases matching the tool prefix.
@@ -514,37 +483,29 @@ export async function getReleaseAssetUrl(
       ? (input: string) => input === assetPattern
       : createAssetMatcher(assetPattern as AssetPattern)
 
-  const cacheKey = `release:${owner}/${repo}:${tag}`
-
   return await pRetry(
     async () => {
-      // Check in-memory cache first to avoid redundant API calls.
-      let release = getCachedApiResponse<{
-        assets: Array<{ name: string; browser_download_url: string }>
-      }>(cacheKey)
-
-      if (!release) {
-        const response = await httpRequest(
-          `https://api.github.com/repos/${owner}/${repo}/releases/tags/${tag}`,
-          {
-            headers: getAuthHeaders(),
-          },
-        )
-
-        if (!response.ok) {
-          throw new Error(`Failed to fetch release ${tag}: ${response.status}`)
-        }
+      const response = await httpRequest(
+        `https://api.github.com/repos/${owner}/${repo}/releases/tags/${tag}`,
+        {
+          headers: getAuthHeaders(),
+        },
+      )
 
-        try {
-          release = JSON.parse(response.body.toString('utf8'))
-        } catch (cause) {
-          throw new Error(
-            `Failed to parse GitHub release response for tag ${tag}`,
-            { cause },
-          )
-        }
+      if (!response.ok) {
+        throw new Error(`Failed to fetch release ${tag}: ${response.status}`)
+      }
 
-        setCachedApiResponse(cacheKey, release)
+      let release: {
+        assets: Array<{ name: string; browser_download_url: string }>
+      }
+      try {
+        release = JSON.parse(response.body.toString('utf8'))
+      } catch (cause) {
+        throw new Error(
+          `Failed to parse GitHub release response for tag ${tag}`,
+          { cause },
+        )
       }
 
       // Find the matching asset.