diff --git a/functions/package-lock.json b/functions/package-lock.json
index b8a90a53..d12de8e1 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -19,7 +19,7 @@
         "firebase-functions": "^3.24.1",
         "glob": "^7.1.6",
         "hirestime": "^4.0.0",
-        "lodash": "^4.17.23",
+        "lodash": "^4.18.1",
         "mathjs": "^5.10.3",
         "mustache": "^2.3.2",
         "raven": "^2.6.4",
@@ -9546,9 +9546,9 @@
       }
     },
     "node_modules/lodash": {
-      "version": "4.17.23",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
-      "integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
+      "version": "4.18.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.18.1.tgz",
+      "integrity": "sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==",
       "license": "MIT"
     },
     "node_modules/lodash.camelcase": {
diff --git a/functions/package.json b/functions/package.json
index 140599bf..0c1f87c9 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -28,7 +28,7 @@
     "firebase-functions": "^3.24.1",
     "glob": "^7.1.6",
     "hirestime": "^4.0.0",
-    "lodash": "^4.17.23",
+    "lodash": "^4.18.1",
     "mathjs": "^5.10.3",
     "mustache": "^2.3.2",
     "raven": "^2.6.4",