diff --git a/package.json b/package.json
index dfc6490..e352094 100644
--- a/package.json
+++ b/package.json
@@ -18,34 +18,34 @@
   },
   "dependencies": {
     "basic-auth": "^1.1.0",
-    "body-parser": "^1.16.1",
-    "cheerio": "*",
-    "co": "*",
-    "co-express": "*",
+    "body-parser": "^1.17.2",
+    "cheerio": "^0.22.0",
+    "co": "^4.6.0",
+    "co-express": "^2.0.0",
     "co-fs": "^1.2.0",
-    "co-request": "*",
-    "compression": "*",
+    "co-request": "^1.0.0",
+    "compression": "^1.7.0",
     "cookie-parser": "^1.4.3",
     "diskdb": "^0.1.17",
-    "express": "*",
-    "html-entities": "*",
-    "ip": "*",
-    "json2csv": "*",
-    "jsonwebtoken": "^7.2.1",
+    "express": "^4.15.3",
+    "html-entities": "^1.2.1",
+    "ip": "^1.1.5",
+    "json2csv": "^3.9.0",
+    "jsonwebtoken": "^7.4.1",
     "md5": "^2.2.1",
-    "natural": "*",
-    "socket.io": "^1.7.2",
-    "speakeasy-nlp": "^0.2.2",
+    "natural": "^0.5.4",
+    "socket.io": "^2.0.3",
+    "speakeasy-nlp": "^0.2.12",
     "sqlite3": "^3.1.8",
-    "striptags": "*",
-    "tabletojson": "*",
-    "thunkify-wrap": "*",
-    "wolfram-alpha": "^0.5.0",
-    "words-to-num": "*",
-    "x-ray": "*"
+    "striptags": "^3.0.1",
+    "tabletojson": "^0.6.0",
+    "thunkify-wrap": "^1.0.4",
+    "wolfram-alpha": "^0.6.0",
+    "words-to-num": "0.0.2",
+    "x-ray": "^2.3.2"
   },
   "devDependencies": {
-    "ava": "^0.17.0",
+    "ava": "^0.20.0",
     "tmp": "0.0.31"
   }
 }