diff --git a/playground/wasm_bindgen/package-lock.json b/playground/wasm_bindgen/package-lock.json
index 6e01763..ed68852 100644
--- a/playground/wasm_bindgen/package-lock.json
+++ b/playground/wasm_bindgen/package-lock.json
@@ -4858,9 +4858,9 @@
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     },
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.8.tgz",
-      "integrity": "sha512-otmIRlRVmLChAWsnSFNO0Bfk6YySuBp6G9qrHiJwlLDd4mxe2ta4sjI7TzIR+W1nBMjilzrMcPOz9pSusgx3hQ==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",