diff --git a/package.json b/package.json
index d008b89..bfba279 100644
--- a/package.json
+++ b/package.json
@@ -16,18 +16,18 @@
     "server"
   ],
   "dependencies": {
-    "debug": "3.1.0",
-    "destroy": "1.2.0",
-    "encodeurl": "~1.0.2",
-    "escape-html": "~1.0.3",
-    "etag": "~1.8.1",
-    "fresh": "0.5.2",
-    "http-errors": "2.0.0",
-    "mime-types": "~2.1.34",
-    "ms": "2.1.3",
-    "on-finished": "2.4.1",
-    "range-parser": "~1.2.1",
-    "statuses": "2.0.1"
+    "debug": "^4.3.5",
+    "destroy": "^1.2.0",
+    "encodeurl": "^2.0.0",
+    "escape-html": "^1.0.3",
+    "etag": "^1.8.1",
+    "fresh": "^0.5.2",
+    "http-errors": "^2.0.0",
+    "mime-types": "^2.1.35",
+    "ms": "^2.1.3",
+    "on-finished": "^2.4.1",
+    "range-parser": "^1.2.1",
+    "statuses": "^2.0.1"
   },
   "devDependencies": {
     "after": "^0.8.2",