diff --git a/packages/rspack-test-tools/package.json b/packages/rspack-test-tools/package.json
index d3d3d7563214..6bf210e5a9fc 100644
--- a/packages/rspack-test-tools/package.json
+++ b/packages/rspack-test-tools/package.json
@@ -105,7 +105,7 @@
     "source-map": "^0.7.4",
     "source-map-loader": "^5.0.0",
     "style-loader": "^4.0.0",
-    "terser": "5.41.0",
+    "terser": "5.42.0",
     "typescript": "^5.8.3",
     "wast-loader": "^1.14.1",
     "worker-rspack-loader": "^3.1.2"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5ce6d354dc0d..0fd533753a84 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -586,8 +586,8 @@ importers:
         specifier: ^4.0.0
         version: 4.0.0(webpack@5.99.9(@swc/core@1.12.0(@swc/helpers@0.5.17)))
       terser:
-        specifier: 5.41.0
-        version: 5.41.0
+        specifier: 5.42.0
+        version: 5.42.0
       typescript:
         specifier: ^5.8.3
         version: 5.8.3
@@ -648,7 +648,7 @@ importers:
     devDependencies:
       '@codspeed/vitest-plugin':
         specifier: ^4.0.1
-        version: 4.0.1(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0))(vitest@3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0))
+        version: 4.0.1(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0))(vitest@3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0))
       '@rspack/cli':
         specifier: workspace:*
         version: link:../../packages/rspack-cli
@@ -666,7 +666,7 @@ importers:
         version: 19.1.6(@types/react@19.1.7)
       vitest:
         specifier: ^3.1.4
-        version: 3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
+        version: 3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
 
   tests/e2e:
     devDependencies:
@@ -906,8 +906,8 @@ importers:
         specifier: ^0.7.4
         version: 0.7.4
       terser:
-        specifier: 5.41.0
-        version: 5.41.0
+        specifier: 5.42.0
+        version: 5.42.0
       terser-webpack-plugin:
         specifier: ^5.3.14
         version: 5.3.14(@swc/core@1.12.0(@swc/helpers@0.5.17))(webpack@5.99.9(@swc/core@1.12.0(@swc/helpers@0.5.17)))
@@ -7197,8 +7197,8 @@ packages:
     engines: {node: '>=10'}
     hasBin: true
 
-  terser@5.41.0:
-    resolution: {integrity: sha512-H406eLPXpZbAX14+B8psIuvIr8+3c+2hkuYzpMkoE0ij+NdsVATbA78vb8neA/eqrj7rywa2pIkdmWRsXW6wmw==}
+  terser@5.42.0:
+    resolution: {integrity: sha512-UYCvU9YQW2f/Vwl+P0GfhxJxbUGLwd+5QrrGgLajzWAtC/23AX0vcise32kkP7Eu0Wu9VlzzHAXkLObgjQfFlQ==}
     engines: {node: '>=10'}
     hasBin: true
 
@@ -8512,11 +8512,11 @@ snapshots:
     transitivePeerDependencies:
       - debug
 
-  '@codspeed/vitest-plugin@4.0.1(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0))(vitest@3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0))':
+  '@codspeed/vitest-plugin@4.0.1(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0))(vitest@3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0))':
     dependencies:
       '@codspeed/core': 4.0.1
-      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
-      vitest: 3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
+      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
+      vitest: 3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
     transitivePeerDependencies:
       - debug
 
@@ -10481,13 +10481,13 @@ snapshots:
       chai: 5.2.0
       tinyrainbow: 2.0.0
 
-  '@vitest/mocker@3.1.4(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0))':
+  '@vitest/mocker@3.1.4(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0))':
     dependencies:
       '@vitest/spy': 3.1.4
       estree-walker: 3.0.3
       magic-string: 0.30.17
     optionalDependencies:
-      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
+      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
 
   '@vitest/pretty-format@3.1.4':
     dependencies:
@@ -12391,7 +12391,7 @@ snapshots:
       he: 1.2.0
       param-case: 3.0.4
       relateurl: 0.2.7
-      terser: 5.41.0
+      terser: 5.42.0
 
   html-minifier-terser@7.2.0:
     dependencies:
@@ -12401,7 +12401,7 @@ snapshots:
       entities: 4.5.0
       param-case: 3.0.4
       relateurl: 0.2.7
-      terser: 5.41.0
+      terser: 5.42.0
 
   html-to-text@9.0.5:
     dependencies:
@@ -15216,7 +15216,7 @@ snapshots:
       jest-worker: 27.5.1
       schema-utils: 4.3.2
       serialize-javascript: 6.0.2
-      terser: 5.41.0
+      terser: 5.42.0
       webpack: 5.99.9(@swc/core@1.12.0(@swc/helpers@0.5.17))
     optionalDependencies:
       '@swc/core': 1.12.0(@swc/helpers@0.5.17)
@@ -15228,7 +15228,7 @@ snapshots:
       commander: 2.20.3
       source-map-support: 0.5.21
 
-  terser@5.41.0:
+  terser@5.42.0:
     dependencies:
       '@jridgewell/source-map': 0.3.6
       acorn: 8.14.1
@@ -15545,13 +15545,13 @@ snapshots:
       '@types/unist': 3.0.3
       vfile-message: 4.0.2
 
-  vite-node@3.1.4(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0):
+  vite-node@3.1.4(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0):
     dependencies:
       cac: 6.7.14
       debug: 4.4.1
       es-module-lexer: 1.7.0
       pathe: 2.0.3
-      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
+      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
     transitivePeerDependencies:
       - '@types/node'
       - jiti
@@ -15566,7 +15566,7 @@ snapshots:
       - tsx
       - yaml
 
-  vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0):
+  vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0):
     dependencies:
       esbuild: 0.25.5
       fdir: 6.4.5(picomatch@4.0.2)
@@ -15580,14 +15580,14 @@ snapshots:
       jiti: 2.4.2
       less: 4.3.0
       sass-embedded: 1.89.0
-      terser: 5.41.0
+      terser: 5.42.0
       tsx: 4.20.3
       yaml: 2.8.0
 
-  vitest@3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0):
+  vitest@3.1.4(@types/debug@4.1.12)(@types/node@20.19.0)(jiti@2.4.2)(jsdom@26.1.0)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0):
     dependencies:
       '@vitest/expect': 3.1.4
-      '@vitest/mocker': 3.1.4(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0))
+      '@vitest/mocker': 3.1.4(vite@6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0))
       '@vitest/pretty-format': 3.1.4
       '@vitest/runner': 3.1.4
       '@vitest/snapshot': 3.1.4
@@ -15604,8 +15604,8 @@ snapshots:
       tinyglobby: 0.2.14
       tinypool: 1.1.0
       tinyrainbow: 2.0.0
-      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
-      vite-node: 3.1.4(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.41.0)(tsx@4.20.3)(yaml@2.8.0)
+      vite: 6.3.5(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
+      vite-node: 3.1.4(@types/node@20.19.0)(jiti@2.4.2)(less@4.3.0)(sass-embedded@1.89.0)(terser@5.42.0)(tsx@4.20.3)(yaml@2.8.0)
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/debug': 4.1.12
diff --git a/tests/webpack-test/package.json b/tests/webpack-test/package.json
index 406952be07bb..a2f92d637cf1 100644
--- a/tests/webpack-test/package.json
+++ b/tests/webpack-test/package.json
@@ -39,7 +39,7 @@
     "rimraf": "^5.0.10",
     "url-loader": "^4.1.1",
     "source-map": "^0.7.4",
-    "terser": "5.41.0",
+    "terser": "5.42.0",
     "terser-webpack-plugin": "^5.3.14",
     "ts-loader": "^9.5.2",
     "typescript": "^5.8.3"