diff --git a/base-action/action.yml b/base-action/action.yml
index 876aa11f..5bedb4f0 100644
--- a/base-action/action.yml
+++ b/base-action/action.yml
@@ -147,7 +147,7 @@ runs:
         PATH_TO_CLAUDE_CODE_EXECUTABLE: ${{ inputs.path_to_claude_code_executable }}
       run: |
         if [ -z "$PATH_TO_CLAUDE_CODE_EXECUTABLE" ]; then
-          CLAUDE_CODE_VERSION="2.1.252"
+          CLAUDE_CODE_VERSION="2.1.257"
           echo "Installing Claude Code v${CLAUDE_CODE_VERSION}..."
           for attempt in 1 2 3; do
             echo "Installation attempt $attempt..."
diff --git a/base-action/bun.lock b/base-action/bun.lock
index 51a7fb2f..f0f1ed84 100644
--- a/base-action/bun.lock
+++ b/base-action/bun.lock
@@ -6,7 +6,7 @@
       "name": "@anthropic-ai/claude-code-base-action",
       "dependencies": {
         "@actions/core": "^1.10.1",
-        "@anthropic-ai/claude-agent-sdk": "^0.3.252",
+        "@anthropic-ai/claude-agent-sdk": "^0.3.257",
         "shell-quote": "^1.8.4",
       },
       "devDependencies": {
@@ -27,23 +27,23 @@
 
     "@actions/io": ["@actions/io@1.1.3", "", {}, "sha512-wi9JjgKLYS7U/z8PPbco+PvTb/nRWjeoFlJ1Qer83k/3C5PHQi28hiVdeE2kHXmIL99mQFawx8qt/JPjZilJ8Q=="],
 
-    "@anthropic-ai/claude-agent-sdk": ["@anthropic-ai/claude-agent-sdk@0.3.252", "", { "optionalDependencies": { "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.252", "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-x64": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.3.252", "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.3.252", "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.252" }, "peerDependencies": { "@anthropic-ai/sdk": ">=0.93.0", "@modelcontextprotocol/sdk": "^1.29.0", "zod": "^4.0.0" } }, "sha512-hCkyZFn3J46aAMNqS6AZbYz91FaLUmX5VvJOzYZqzlVBJN47OxXQugqOzqa6b6GOZRmwiqW2ck8J8TE7bQZswQ=="],
+    "@anthropic-ai/claude-agent-sdk": ["@anthropic-ai/claude-agent-sdk@0.3.257", "", { "optionalDependencies": { "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.257", "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-x64": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.3.257", "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.3.257", "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.257" }, "peerDependencies": { "@anthropic-ai/sdk": ">=0.93.0", "@modelcontextprotocol/sdk": "^1.29.0", "zod": "^4.0.0" } }, "sha512-Se55zXv48IYLg/WzoXzpbPLcq86suwDSbRUoNb69l4dkovorqS/47Xuy7MUo/gPNwwcPB4a+aqbXbshU33dcdQ=="],
 
-    "@anthropic-ai/claude-agent-sdk-darwin-arm64": ["@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.252", "", { "os": "darwin", "cpu": "arm64" }, "sha512-7lcngnoB3o3ex3lCt54mVhmL4u7ieBqd2g0sLF4YU8GdZap6skJMphe+7p8+upnpmTNJb7QWJYa6+FqINdMknQ=="],
+    "@anthropic-ai/claude-agent-sdk-darwin-arm64": ["@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.257", "", { "os": "darwin", "cpu": "arm64" }, "sha512-ITjFPYB8riu9tbxbrWArokiZ/90w/NDrYbtEvyr3ScilVtu1iupkComxkhvbUxoyT4JRDpKsdw/ZOfwSl/pkpA=="],
 
-    "@anthropic-ai/claude-agent-sdk-darwin-x64": ["@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.252", "", { "os": "darwin", "cpu": "x64" }, "sha512-jznf/im+Ry47vHao6+U8RT2w5gEjxs1ut3EjaoSRVyn35iK40VcjCPjLG7WQMNSqkuxFLTLGxNlKesOw4gXQQg=="],
+    "@anthropic-ai/claude-agent-sdk-darwin-x64": ["@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.257", "", { "os": "darwin", "cpu": "x64" }, "sha512-0s7QoLRnopbMvCqVpgCnvBWg4UNxPUybMZTknkn3HLBMvUjUdHs1QXb77c/yrT1WAPqDTw1Ju+H0esXwWa8/Kg=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-arm64": ["@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.252", "", { "os": "linux", "cpu": "arm64" }, "sha512-yXet0aNf32MaGJcJvQqMfLv4mfrnBqdKPa1f/KSPQQJA/7v3EFKd2OlBguSwmBJAd0uB671G0PBThzlzcIEiTA=="],
+    "@anthropic-ai/claude-agent-sdk-linux-arm64": ["@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.257", "", { "os": "linux", "cpu": "arm64" }, "sha512-38tv1s1CaIE6CyEBmJpfKtvwPzrasxPiRT079BEs5aaiLPQ+pmSGF0+Lwy7ot9i6xqr7v5/91TVo5JXHI8Pkpg=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": ["@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.252", "", { "os": "linux", "cpu": "arm64" }, "sha512-BnFd6MTl2Egid7JuISaJKSmgz8jVm3J/qrnN6u+CKia42k7h5gKawKLi+Jh6FanZQKRTfq/mAQMjiARylaKeMA=="],
+    "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": ["@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.257", "", { "os": "linux", "cpu": "arm64" }, "sha512-t2WHfKjY4Jjgzfk0lbBUt6EVPQe+wXvXvRmYnK7ICfzZ1jS8CrpDajwBQErKFSMiUqGAutZy3vwDwGziW32cpw=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-x64": ["@anthropic-ai/claude-agent-sdk-linux-x64@0.3.252", "", { "os": "linux", "cpu": "x64" }, "sha512-pSwulGf0yQJu02FzlV/mVoGH2HQMHsBmIhmnKtYF5/zp22vF1vnFANCtUZjyNnvAhmCnkNJRhOe76pzlaRd89w=="],
+    "@anthropic-ai/claude-agent-sdk-linux-x64": ["@anthropic-ai/claude-agent-sdk-linux-x64@0.3.257", "", { "os": "linux", "cpu": "x64" }, "sha512-0FRyIwV4jEJErdDDoYMC0v9lzuFNz5y0lK2340H5fP02eNXsP3U0htKW/bfRP8Ppei+xc4QUZgdCI6rVzkhXGg=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-x64-musl": ["@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.252", "", { "os": "linux", "cpu": "x64" }, "sha512-SsFTpHDjNCtpCVAlcFp/gwZj8WVsbtORuPZoKujlxNOHjE1uJ9FLXhyo8grFsfxMnyp1QCdsFmFIVt1YO4NDxw=="],
+    "@anthropic-ai/claude-agent-sdk-linux-x64-musl": ["@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.257", "", { "os": "linux", "cpu": "x64" }, "sha512-qSlgAUEpj2JAA+YqMD222iv2W3x8xBDSYwdoaOx20VbaJRjFq8feViI7kcr1C6wVN+ApX4Rxl7YX6gekiBkA2g=="],
 
-    "@anthropic-ai/claude-agent-sdk-win32-arm64": ["@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.252", "", { "os": "win32", "cpu": "arm64" }, "sha512-oxtZaKcHiRKI5OIfAogIgw8oNCC6U1E7jqUsl1FvXG72JSMrRFnMViXuE5EVZoJH8m6NkFqzxVuVB7gf8HZZgw=="],
+    "@anthropic-ai/claude-agent-sdk-win32-arm64": ["@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.257", "", { "os": "win32", "cpu": "arm64" }, "sha512-7iEwy14lSqaAWvNR3KucBusQs5+hG6uoliYWZ2M2FyaCk5PHYymVf9mrRPtWhaYfNwum/YY13acYIIvnAbz0kA=="],
 
-    "@anthropic-ai/claude-agent-sdk-win32-x64": ["@anthropic-ai/claude-agent-sdk-win32-x64@0.3.252", "", { "os": "win32", "cpu": "x64" }, "sha512-2Lv3mzxXP1OwY9ZXvKy8Fr1GE8UQS8mKp8lvDexnFfSqVkfs3BfB2qqfuv81H9QCIDX3vu/G+dJKKQxgElrTzA=="],
+    "@anthropic-ai/claude-agent-sdk-win32-x64": ["@anthropic-ai/claude-agent-sdk-win32-x64@0.3.257", "", { "os": "win32", "cpu": "x64" }, "sha512-NW0zMjHXFBdu2TcjT9Zo5o/1tJaDy6A7v4Gt/vLVJgaipV/RzAbyRGXZzH37hswyiKrSLGaSoYYP1vUfncbkUQ=="],
 
     "@anthropic-ai/sdk": ["@anthropic-ai/sdk@0.93.0", "", { "dependencies": { "json-schema-to-ts": "^3.1.1" }, "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" }, "optionalPeers": ["zod"], "bin": { "anthropic-ai-sdk": "bin/cli" } }, "sha512-q9vaSZQVFx6B/gPxetGYfLXSJD5v0sOmh0OpZDq7yCrTSA+Rscvrtyol7JJTW40wEpQB4U1B4JXzxQitbQ3CAA=="],
 
diff --git a/base-action/package.json b/base-action/package.json
index cc82ea62..9212068f 100644
--- a/base-action/package.json
+++ b/base-action/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@actions/core": "^1.10.1",
-    "@anthropic-ai/claude-agent-sdk": "^0.3.252",
+    "@anthropic-ai/claude-agent-sdk": "^0.3.257",
     "shell-quote": "^1.8.4"
   },
   "devDependencies": {
diff --git a/bun.lock b/bun.lock
index b68af9da..f12f891c 100644
--- a/bun.lock
+++ b/bun.lock
@@ -7,7 +7,7 @@
       "dependencies": {
         "@actions/core": "^1.10.1",
         "@actions/github": "^6.0.1",
-        "@anthropic-ai/claude-agent-sdk": "^0.3.252",
+        "@anthropic-ai/claude-agent-sdk": "^0.3.257",
         "@modelcontextprotocol/sdk": "^1.11.0",
         "@octokit/graphql": "^8.2.2",
         "@octokit/rest": "^21.1.1",
@@ -37,23 +37,23 @@
 
     "@actions/io": ["@actions/io@1.1.3", "", {}, "sha512-wi9JjgKLYS7U/z8PPbco+PvTb/nRWjeoFlJ1Qer83k/3C5PHQi28hiVdeE2kHXmIL99mQFawx8qt/JPjZilJ8Q=="],
 
-    "@anthropic-ai/claude-agent-sdk": ["@anthropic-ai/claude-agent-sdk@0.3.252", "", { "optionalDependencies": { "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.252", "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-x64": "0.3.252", "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.3.252", "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.3.252", "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.252" }, "peerDependencies": { "@anthropic-ai/sdk": ">=0.93.0", "@modelcontextprotocol/sdk": "^1.29.0", "zod": "^4.0.0" } }, "sha512-hCkyZFn3J46aAMNqS6AZbYz91FaLUmX5VvJOzYZqzlVBJN47OxXQugqOzqa6b6GOZRmwiqW2ck8J8TE7bQZswQ=="],
+    "@anthropic-ai/claude-agent-sdk": ["@anthropic-ai/claude-agent-sdk@0.3.257", "", { "optionalDependencies": { "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.257", "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-x64": "0.3.257", "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.3.257", "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.3.257", "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.257" }, "peerDependencies": { "@anthropic-ai/sdk": ">=0.93.0", "@modelcontextprotocol/sdk": "^1.29.0", "zod": "^4.0.0" } }, "sha512-Se55zXv48IYLg/WzoXzpbPLcq86suwDSbRUoNb69l4dkovorqS/47Xuy7MUo/gPNwwcPB4a+aqbXbshU33dcdQ=="],
 
-    "@anthropic-ai/claude-agent-sdk-darwin-arm64": ["@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.252", "", { "os": "darwin", "cpu": "arm64" }, "sha512-7lcngnoB3o3ex3lCt54mVhmL4u7ieBqd2g0sLF4YU8GdZap6skJMphe+7p8+upnpmTNJb7QWJYa6+FqINdMknQ=="],
+    "@anthropic-ai/claude-agent-sdk-darwin-arm64": ["@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.257", "", { "os": "darwin", "cpu": "arm64" }, "sha512-ITjFPYB8riu9tbxbrWArokiZ/90w/NDrYbtEvyr3ScilVtu1iupkComxkhvbUxoyT4JRDpKsdw/ZOfwSl/pkpA=="],
 
-    "@anthropic-ai/claude-agent-sdk-darwin-x64": ["@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.252", "", { "os": "darwin", "cpu": "x64" }, "sha512-jznf/im+Ry47vHao6+U8RT2w5gEjxs1ut3EjaoSRVyn35iK40VcjCPjLG7WQMNSqkuxFLTLGxNlKesOw4gXQQg=="],
+    "@anthropic-ai/claude-agent-sdk-darwin-x64": ["@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.257", "", { "os": "darwin", "cpu": "x64" }, "sha512-0s7QoLRnopbMvCqVpgCnvBWg4UNxPUybMZTknkn3HLBMvUjUdHs1QXb77c/yrT1WAPqDTw1Ju+H0esXwWa8/Kg=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-arm64": ["@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.252", "", { "os": "linux", "cpu": "arm64" }, "sha512-yXet0aNf32MaGJcJvQqMfLv4mfrnBqdKPa1f/KSPQQJA/7v3EFKd2OlBguSwmBJAd0uB671G0PBThzlzcIEiTA=="],
+    "@anthropic-ai/claude-agent-sdk-linux-arm64": ["@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.257", "", { "os": "linux", "cpu": "arm64" }, "sha512-38tv1s1CaIE6CyEBmJpfKtvwPzrasxPiRT079BEs5aaiLPQ+pmSGF0+Lwy7ot9i6xqr7v5/91TVo5JXHI8Pkpg=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": ["@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.252", "", { "os": "linux", "cpu": "arm64" }, "sha512-BnFd6MTl2Egid7JuISaJKSmgz8jVm3J/qrnN6u+CKia42k7h5gKawKLi+Jh6FanZQKRTfq/mAQMjiARylaKeMA=="],
+    "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": ["@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.257", "", { "os": "linux", "cpu": "arm64" }, "sha512-t2WHfKjY4Jjgzfk0lbBUt6EVPQe+wXvXvRmYnK7ICfzZ1jS8CrpDajwBQErKFSMiUqGAutZy3vwDwGziW32cpw=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-x64": ["@anthropic-ai/claude-agent-sdk-linux-x64@0.3.252", "", { "os": "linux", "cpu": "x64" }, "sha512-pSwulGf0yQJu02FzlV/mVoGH2HQMHsBmIhmnKtYF5/zp22vF1vnFANCtUZjyNnvAhmCnkNJRhOe76pzlaRd89w=="],
+    "@anthropic-ai/claude-agent-sdk-linux-x64": ["@anthropic-ai/claude-agent-sdk-linux-x64@0.3.257", "", { "os": "linux", "cpu": "x64" }, "sha512-0FRyIwV4jEJErdDDoYMC0v9lzuFNz5y0lK2340H5fP02eNXsP3U0htKW/bfRP8Ppei+xc4QUZgdCI6rVzkhXGg=="],
 
-    "@anthropic-ai/claude-agent-sdk-linux-x64-musl": ["@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.252", "", { "os": "linux", "cpu": "x64" }, "sha512-SsFTpHDjNCtpCVAlcFp/gwZj8WVsbtORuPZoKujlxNOHjE1uJ9FLXhyo8grFsfxMnyp1QCdsFmFIVt1YO4NDxw=="],
+    "@anthropic-ai/claude-agent-sdk-linux-x64-musl": ["@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.257", "", { "os": "linux", "cpu": "x64" }, "sha512-qSlgAUEpj2JAA+YqMD222iv2W3x8xBDSYwdoaOx20VbaJRjFq8feViI7kcr1C6wVN+ApX4Rxl7YX6gekiBkA2g=="],
 
-    "@anthropic-ai/claude-agent-sdk-win32-arm64": ["@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.252", "", { "os": "win32", "cpu": "arm64" }, "sha512-oxtZaKcHiRKI5OIfAogIgw8oNCC6U1E7jqUsl1FvXG72JSMrRFnMViXuE5EVZoJH8m6NkFqzxVuVB7gf8HZZgw=="],
+    "@anthropic-ai/claude-agent-sdk-win32-arm64": ["@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.257", "", { "os": "win32", "cpu": "arm64" }, "sha512-7iEwy14lSqaAWvNR3KucBusQs5+hG6uoliYWZ2M2FyaCk5PHYymVf9mrRPtWhaYfNwum/YY13acYIIvnAbz0kA=="],
 
-    "@anthropic-ai/claude-agent-sdk-win32-x64": ["@anthropic-ai/claude-agent-sdk-win32-x64@0.3.252", "", { "os": "win32", "cpu": "x64" }, "sha512-2Lv3mzxXP1OwY9ZXvKy8Fr1GE8UQS8mKp8lvDexnFfSqVkfs3BfB2qqfuv81H9QCIDX3vu/G+dJKKQxgElrTzA=="],
+    "@anthropic-ai/claude-agent-sdk-win32-x64": ["@anthropic-ai/claude-agent-sdk-win32-x64@0.3.257", "", { "os": "win32", "cpu": "x64" }, "sha512-NW0zMjHXFBdu2TcjT9Zo5o/1tJaDy6A7v4Gt/vLVJgaipV/RzAbyRGXZzH37hswyiKrSLGaSoYYP1vUfncbkUQ=="],
 
     "@anthropic-ai/sdk": ["@anthropic-ai/sdk@0.93.0", "", { "dependencies": { "json-schema-to-ts": "^3.1.1" }, "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" }, "optionalPeers": ["zod"], "bin": { "anthropic-ai-sdk": "bin/cli" } }, "sha512-q9vaSZQVFx6B/gPxetGYfLXSJD5v0sOmh0OpZDq7yCrTSA+Rscvrtyol7JJTW40wEpQB4U1B4JXzxQitbQ3CAA=="],
 
diff --git a/package.json b/package.json
index 830f21ab..eb65db0c 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "@actions/core": "^1.10.1",
     "@actions/github": "^6.0.1",
-    "@anthropic-ai/claude-agent-sdk": "^0.3.252",
+    "@anthropic-ai/claude-agent-sdk": "^0.3.257",
     "@modelcontextprotocol/sdk": "^1.11.0",
     "@octokit/graphql": "^8.2.2",
     "@octokit/rest": "^21.1.1",
diff --git a/src/entrypoints/run.ts b/src/entrypoints/run.ts
index 3d8b513f..0b4381a7 100644
--- a/src/entrypoints/run.ts
+++ b/src/entrypoints/run.ts
@@ -77,7 +77,7 @@ async function installClaudeCode(): Promise<string> {
     return customExecutable;
   }
 
-  const claudeCodeVersion = "2.1.252";
+  const claudeCodeVersion = "2.1.257";
   console.log(`Installing Claude Code v${claudeCodeVersion}...`);
 
   for (let attempt = 1; attempt <= 3; attempt++) {