diff --git a/package-lock.json b/package-lock.json
index eb2796e..1a179f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,21 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/babel-types": {
+      "version": "7.0.8",
+      "resolved": "https://registry.npmjs.org/@types/babel-types/-/babel-types-7.0.8.tgz",
+      "integrity": "sha512-jvu8g4LR7+p6ao30RhTREnEhHxmP4/R9D9/rOR/Kq14FztORty9SKgtOZUNZNMB9CXLxZ54EWu4dArUE8WdTsw==",
+      "dev": true
+    },
+    "@types/babylon": {
+      "version": "6.16.5",
+      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
+      "integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
+      "dev": true,
+      "requires": {
+        "@types/babel-types": "*"
+      }
+    },
     "abbrev": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz",
@@ -1409,13 +1424,15 @@
       }
     },
     "constantinople": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.1.0.tgz",
-      "integrity": "sha1-dWnKqKo/jVk11i4fqW+fcCzYHHk=",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.1.2.tgz",
+      "integrity": "sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==",
       "dev": true,
       "requires": {
-        "acorn": "^3.1.0",
-        "is-expression": "^2.0.1"
+        "@types/babel-types": "^7.0.0",
+        "@types/babylon": "^6.16.2",
+        "babel-types": "^6.26.0",
+        "babylon": "^6.18.0"
       }
     },
     "constants-browserify": {
@@ -3834,16 +3851,6 @@
         "is-primitive": "^2.0.0"
       }
     },
-    "is-expression": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/is-expression/-/is-expression-2.1.0.tgz",
-      "integrity": "sha1-kb6dR968/vB3l36XIr5tz7RGXvA=",
-      "dev": true,
-      "requires": {
-        "acorn": "~3.3.0",
-        "object-assign": "^4.0.1"
-      }
-    },
     "is-extendable": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",