diff --git a/package-lock.json b/package-lock.json
index 5a8799a..be829de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2148,11 +2148,11 @@
       "integrity": "sha1-2hhHsglA5C7hSSvq9l1J2RskXfc="
     },
     "pg-hstore": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/pg-hstore/-/pg-hstore-2.3.2.tgz",
-      "integrity": "sha1-9+8FPnubiSrphq8vfL6GQy388k8=",
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/pg-hstore/-/pg-hstore-2.3.4.tgz",
+      "integrity": "sha512-N3SGs/Rf+xA1M2/n0JBiXFDVMzdekwLZLAO0g7mpDY9ouX+fDI7jS6kTq3JujmYbtNSJ53TJ0q4G98KVZSM4EA==",
       "requires": {
-        "underscore": "1.8.3"
+        "underscore": "^1.13.1"
       }
     },
     "pg-int8": {
@@ -2908,9 +2908,9 @@
       "dev": true
     },
     "underscore": {
-      "version": "1.8.3",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-      "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
+      "version": "1.13.6",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.6.tgz",
+      "integrity": "sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A=="
     },
     "unique-string": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index c155e8b..1777576 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "license": "ISC",
   "dependencies": {
     "pg": "6.4.2",
-    "pg-hstore": "2.3.2",
+    "pg-hstore": "2.3.4",
     "sequelize": "4.32.2"
   },
   "devDependencies": {