diff --git a/osa4/blogilista/package-lock.json b/osa4/blogilista/package-lock.json
index 4864193..859d2d8 100644
--- a/osa4/blogilista/package-lock.json
+++ b/osa4/blogilista/package-lock.json
@@ -4229,9 +4229,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.foreach": {
       "version": "4.5.0",
diff --git a/osa4/blogilista/package.json b/osa4/blogilista/package.json
index 7d69db4..3801938 100644
--- a/osa4/blogilista/package.json
+++ b/osa4/blogilista/package.json
@@ -18,7 +18,7 @@
     "express": "^4.17.1",
     "express-async-errors": "^3.1.1",
     "jsonwebtoken": "^8.5.1",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "mongoose": "^5.9.24",
     "mongoose-unique-validator": "^2.0.3"
   },