diff --git a/Pipfile.lock b/Pipfile.lock
index c3b2e8b..d83ecd4 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -16,11 +16,11 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:4d23f61b26892bac785f07401bc38cbf8fa4cec993f400e9cd9ddf28fd51c0ea",
-                "sha256:6e974d4b57e3b29e4882b244d40171d6a75202ab8d2402b8e8adbd182e25cf0c"
+                "sha256:16a5d54411599780ac9dfe3b9b38f90f785c51259a584e0b24b6f14a7f69aae8",
+                "sha256:9a2f98211ab474c710fcdad29c82f30fc14ce9917c7a70c3682162a624de4035"
             ],
             "index": "pypi",
-            "version": "==2.2.3"
+            "version": "==2.2.4"
         },
         "djangorestframework": {
             "hashes": [
@@ -32,10 +32,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda",
-                "sha256:d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141"
+                "sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32",
+                "sha256:c894d57500a4cd2d5c71114aaab77dbab5eabd9022308ce5ac9bb93a60a6f0c7"
             ],
-            "version": "==2019.1"
+            "version": "==2019.2"
         },
         "sqlparse": {
             "hashes": [