diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f906d81..54bfa90 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,15 +21,15 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/cas-parser-typescript' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: (github.event_name == 'push' || github.event.pull_request.head.repo.fork) && (github.event_name != 'push' || github.event.head_commit.message != 'codegen metadata')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '22'
 
       - name: Set up pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1 # v4.3.0
         with:
           version: '10.30.1'
 
@@ -48,15 +48,15 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '22'
 
       - name: Set up pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1 # v4.3.0
         with:
           version: '10.30.1'
 
@@ -71,7 +71,7 @@ jobs:
           github.repository == 'stainless-sdks/cas-parser-typescript' &&
           !startsWith(github.ref, 'refs/heads/stl/')
         id: github-oidc
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
@@ -101,15 +101,15 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/cas-parser-typescript' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '22'
 
       - name: Set up pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1 # v4.3.0
         with:
           version: '10.30.1'
 
diff --git a/.github/workflows/publish-npm.yml b/.github/workflows/publish-npm.yml
index bc70bea..0d7a17e 100644
--- a/.github/workflows/publish-npm.yml
+++ b/.github/workflows/publish-npm.yml
@@ -21,15 +21,15 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version: '20'
 
       - name: Set up pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1 # v4.3.0
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/release-doctor.yml b/.github/workflows/release-doctor.yml
index 2ae1b83..d74a2d7 100644
--- a/.github/workflows/release-doctor.yml
+++ b/.github/workflows/release-doctor.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'CASParser/cas-parser-node' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Check release environment
         run: |
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 23860f9..09abf21 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.13.0"
+  ".": "1.13.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf2db08..a6d3ce3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.13.1 (2026-05-13)
+
+Full Changelog: [v1.13.0...v1.13.1](https://github.com/CASParser/cas-parser-node/compare/v1.13.0...v1.13.1)
+
 ## 1.13.0 (2026-05-08)
 
 Full Changelog: [v1.12.0...v1.13.0](https://github.com/CASParser/cas-parser-node/compare/v1.12.0...v1.13.0)
diff --git a/package.json b/package.json
index f5f20b6..3825771 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cas-parser-node",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "description": "The official TypeScript library for the Cas Parser API",
   "author": "Cas Parser <sameer@casparser.in>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/manifest.json b/packages/mcp-server/manifest.json
index bfae606..f3902f9 100644
--- a/packages/mcp-server/manifest.json
+++ b/packages/mcp-server/manifest.json
@@ -1,7 +1,7 @@
 {
   "dxt_version": "0.2",
   "name": "cas-parser-node-mcp",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "description": "The official MCP Server for the Cas Parser API",
   "author": {
     "name": "Cas Parser",
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 92fd7e7..c02fc1f 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cas-parser-node-mcp",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "description": "The official MCP Server for the Cas Parser API",
   "author": "Cas Parser <sameer@casparser.in>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/src/server.ts b/packages/mcp-server/src/server.ts
index 1888af6..1bf5bf0 100644
--- a/packages/mcp-server/src/server.ts
+++ b/packages/mcp-server/src/server.ts
@@ -28,7 +28,7 @@ export const newMcpServer = async ({
   new McpServer(
     {
       name: 'cas_parser_node_api',
-      version: '1.13.0',
+      version: '1.13.1',
     },
     {
       instructions: await getInstructions({ stainlessApiKey, customInstructionsPath }),
diff --git a/src/version.ts b/src/version.ts
index 287b358..f0e3378 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '1.13.0'; // x-release-please-version
+export const VERSION = '1.13.1'; // x-release-please-version