diff --git a/docx-wasm/package.json b/docx-wasm/package.json
index e508d7c..d1faa64 100644
--- a/docx-wasm/package.json
+++ b/docx-wasm/package.json
@@ -26,7 +26,7 @@
     "@types/file-saver": "2.0.1",
     "@wasm-tool/wasm-pack-plugin": "1.3.3",
     "adm-zip": "0.5.1",
-    "cpy-cli": "^3.1.1",
+    "cpy-cli": "3.1.1",
     "file-saver": "2.0.5",
     "html-webpack-plugin": "4.5.2",
     "jest": "26.6.3",
diff --git a/docx-wasm/yarn.lock b/docx-wasm/yarn.lock
index cbd00a4..b1e1234 100644
--- a/docx-wasm/yarn.lock
+++ b/docx-wasm/yarn.lock
@@ -1836,7 +1836,7 @@ cp-file@^7.0.0:
     nested-error-stacks "^2.0.0"
     p-event "^4.1.0"
 
-cpy-cli@^3.1.1:
+cpy-cli@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/cpy-cli/-/cpy-cli-3.1.1.tgz#2adb06544102c948ce098e522d5b8ddcf4f7c0b4"
   integrity sha512-HCpNdBkQy3rw+uARLuIf0YurqsMXYzBa9ihhSAuxYJcNIrqrSq3BstPfr0cQN38AdMrQiO9Dp4hYy7GtGJsLPg==