diff --git a/docx-wasm/package.json b/docx-wasm/package.json
index 953f263..a8a2550 100644
--- a/docx-wasm/package.json
+++ b/docx-wasm/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@types/file-saver": "2.0.1",
-    "@wasm-tool/wasm-pack-plugin": "1.3.1",
+    "@wasm-tool/wasm-pack-plugin": "1.3.3",
     "adm-zip": "0.5.1",
     "file-saver": "2.0.5",
     "html-webpack-plugin": "4.5.2",
diff --git a/docx-wasm/yarn.lock b/docx-wasm/yarn.lock
index c10dd6a..f0e4523 100644
--- a/docx-wasm/yarn.lock
+++ b/docx-wasm/yarn.lock
@@ -642,14 +642,15 @@
   dependencies:
     "@types/yargs-parser" "*"
 
-"@wasm-tool/wasm-pack-plugin@1.3.1":
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/@wasm-tool/wasm-pack-plugin/-/wasm-pack-plugin-1.3.1.tgz#eb8dbeeb3c0ce9af413347d3332485b9f5d4f103"
-  integrity sha512-8AXgN80fbbLvuROYuNsBow/MiK+VeNCzZ3WyCxwZKMIyISd1WwompVG0pLMypXd4rYnttsRyXvQqW3vDdoXZRg==
+"@wasm-tool/wasm-pack-plugin@1.3.3":
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/@wasm-tool/wasm-pack-plugin/-/wasm-pack-plugin-1.3.3.tgz#682b07205929e98ef6766715a3c0594fc41d8482"
+  integrity sha512-CJuluHW6JbUJoNfHj1VGZj11IS4mPK8gMmfW+/EPNViFnrzcHt6a9csG+BTyh0lw4gnzME4/nzAM7ZEiRYTUfw==
   dependencies:
     chalk "^2.4.1"
     command-exists "^1.2.7"
     watchpack "^1.6.0"
+    which "^2.0.2"
 
 "@webassemblyjs/ast@1.9.0":
   version "1.9.0"