diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index 580c931..e564b20 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -18,19 +18,19 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:4d23f61b26892bac785f07401bc38cbf8fa4cec993f400e9cd9ddf28fd51c0ea",
-                "sha256:6e974d4b57e3b29e4882b244d40171d6a75202ab8d2402b8e8adbd182e25cf0c"
+                "sha256:16a5d54411599780ac9dfe3b9b38f90f785c51259a584e0b24b6f14a7f69aae8",
+                "sha256:9a2f98211ab474c710fcdad29c82f30fc14ce9917c7a70c3682162a624de4035"
             ],
             "index": "pypi",
-            "version": "==2.2.3"
+            "version": "==2.2.4"
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:376f4b50340a46c15ae15ddd0c853085f4e66058f97e4dbe7d43ed62f5e60651",
-                "sha256:c12869cfd83c33d579b17b3cb28a2ae7322a53c3ce85580c2a2ebe4e3f56c4fb"
+                "sha256:42979bd5441bb4d8fd69d0f385024a114c3cae7df0f110600b718751250f6929",
+                "sha256:aedb48010ebfab9651aaab1df5fd3b4848eb4182afc909852a2110c24f89a359"
             ],
             "index": "pypi",
-            "version": "==3.9.4"
+            "version": "==3.10.2"
         },
         "djangorestframework-simplejwt": {
             "hashes": [
@@ -99,10 +99,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda",
-                "sha256:d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141"
+                "sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32",
+                "sha256:c894d57500a4cd2d5c71114aaab77dbab5eabd9022308ce5ac9bb93a60a6f0c7"
             ],
-            "version": "==2019.1"
+            "version": "==2019.2"
         },
         "sqlparse": {
             "hashes": [