diff --git a/PQDigest/package.json b/PQDigest/package.json
index 317cf23..82d4a17 100644
--- a/PQDigest/package.json
+++ b/PQDigest/package.json
@@ -51,7 +51,7 @@
     "d3": "^6.7.0",
     "d3-selection": "^2.0.0",
     "history": "4.7.2",
-    "lodash": "4.17.15",
+    "lodash": "4.17.21",
     "moment": "^2.24.0",
     "moment-timezone": "^0.5.33",
     "proj4": "2.6.2",