diff --git a/Pipfile b/Pipfile
index 22f117e..a91964c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -15,3 +15,4 @@ django-npb = "*"
 
 [dev-packages]
 
+gunicorn = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 0fda34b..05c1a34 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b57dd6586d0e88919c2dc3ce8a0ed581b9a3351d5068a48b663d49cea5678e68"
+            "sha256": "db6ebb855037faff4134feabfbad45442408a3cf0f4ca81c8e6b7be283dcb797"
         },
         "host-environment-markers": {
             "implementation_name": "cpython",
@@ -82,5 +82,13 @@
             "version": "==2018.3"
         }
     },
-    "develop": {}
+    "develop": {
+        "gunicorn": {
+            "hashes": [
+                "sha256:75af03c99389535f218cc596c7de74df4763803f7b63eb09d77e92b3956b36c6",
+                "sha256:eee1169f0ca667be05db3351a0960765620dad53f53434262ff8901b68a1b622"
+            ],
+            "version": "==19.7.1"
+        }
+    }
 }