diff --git a/package.json b/package.json
index 8fdd4a7..14c1f5d 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   "dependencies": {
     "wasmbuilder": "0.0.16",
     "wasmcurves": "0.2.2",
-    "web-worker": "^1.2.0"
+    "web-worker": "1.2.0"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^25.0.4",