diff --git a/package-lock.json b/package-lock.json
index 991813b..bcad29c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1784,9 +1784,9 @@
       "integrity": "sha512-ykt2pgN0aqIy6KQC1CqdWTWkmUwNgaOS6dcpHVjyBJONA+Xi7AtSB1vuxC/U/0tjIP3wcRudwQk1YYzUvzk2bA=="
     },
     "lodash-es": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.15.tgz",
-      "integrity": "sha512-rlrc3yU3+JNOpZ9zj5pQtxnx2THmvRykwL4Xlxoa8I9lHBlVbbyPhgyPMioxVZ4NqyxaVVtaJnzsyOidQIhyyQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.21.tgz",
+      "integrity": "sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw=="
     },
     "magic-string": {
       "version": "0.25.6",
diff --git a/package.json b/package.json
index b9947f4..3c00757 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "d3": "^5.15.0",
-    "lodash-es": "^4.17.15",
+    "lodash-es": "^4.17.21",
     "ndjson-cli": "^0.3.1",
     "sirv-cli": "^0.4.4"
   }
diff --git a/yarn.lock b/yarn.lock
index 23dd2eb..4152360 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -931,10 +931,10 @@ local-access@^1.0.1:
   resolved "https://registry.yarnpkg.com/local-access/-/local-access-1.0.1.tgz#5121258146d64e869046c642ea4f1dd39ff942bb"
   integrity sha512-ykt2pgN0aqIy6KQC1CqdWTWkmUwNgaOS6dcpHVjyBJONA+Xi7AtSB1vuxC/U/0tjIP3wcRudwQk1YYzUvzk2bA==
 
-lodash-es@^4.17.15:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.15.tgz#21bd96839354412f23d7a10340e5eac6ee455d78"
-  integrity sha512-rlrc3yU3+JNOpZ9zj5pQtxnx2THmvRykwL4Xlxoa8I9lHBlVbbyPhgyPMioxVZ4NqyxaVVtaJnzsyOidQIhyyQ==
+lodash-es@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
 
 magic-string@^0.25.2:
   version "0.25.6"