diff --git a/backend/src/Pipfile b/backend/src/Pipfile
index 03dac5d..e54ac60 100644
--- a/backend/src/Pipfile
+++ b/backend/src/Pipfile
@@ -6,7 +6,7 @@ verify_ssl = true
 [dev-packages]
 
 [packages]
-django = "==2.2.5"
+django = "==2.2.28"
 djangorestframework = "==3.10.3"
 pygments = "==2.4.2"
 
diff --git a/backend/src/Pipfile.lock b/backend/src/Pipfile.lock
index cc0c546..5e8b499 100644
--- a/backend/src/Pipfile.lock
+++ b/backend/src/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b5693dc67f0bece8a56d11b99c944fbe910784f42fabb740a5c9b16ac6938f7c"
+            "sha256": "f26d9c076c881e192011d4731df7c807d910022a5942fefe1d7b79fae86c7ddc"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,11 +18,11 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:148a4a2d1a85b23883b0a4e99ab7718f518a83675e4485e44dc0c1d36988c5fa",
-                "sha256:deb70aa038e59b58593673b15e9a711d1e5ccd941b5973b30750d5d026abfd56"
+                "sha256:0200b657afbf1bc08003845ddda053c7641b9b24951e52acd51f6abda33a7413",
+                "sha256:365429d07c1336eb42ba15aa79f45e1c13a0b04d5c21569e7d596696418a6a45"
             ],
             "index": "pypi",
-            "version": "==2.2.5"
+            "version": "==2.2.28"
         },
         "djangorestframework": {
             "hashes": [
@@ -42,17 +42,18 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
-                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
+                "sha256:1e760e2fe6a8163bc0b3d9a19c4f84342afa0a2affebfaa84b01b978a02ecaa7",
+                "sha256:e68985985296d9a66a881eb3193b0906246245294a881e7c8afe623866ac6a5c"
             ],
-            "version": "==2019.3"
+            "version": "==2022.1"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
-                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+                "sha256:0c00730c74263a94e5a9919ade150dfc3b19c574389985446148402998287dae",
+                "sha256:48719e356bb8b42991bdbb1e8b83223757b93789c00910a616a071910ca4a64d"
             ],
-            "version": "==0.3.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==0.4.2"
         }
     },
     "develop": {}