diff --git a/backend/Pipfile b/backend/Pipfile
index d9280515..d65fe50a 100644
--- a/backend/Pipfile
+++ b/backend/Pipfile
@@ -19,7 +19,7 @@ flake8-bandit = "2.1.2"
 flake8-comprehensions = "3.3.1"
 flake8-docstrings = "1.5.0"
 flake8-string-format = "0.3.0"
-flake8-bugbear = "20.11.1"
+flake8-bugbear = "21.3.2"
 flake8-debugger = "4.0.0"
 flake8-eradicate = "1.0.0"
 flake8-broken-line = "0.3.0"
diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index 358d1d01..6d5afca0 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b58d6a1c1de6fa86fe1ef46b1e93c8586e894b632dfcb0c926f5d314a62ba5ed"
+            "sha256": "2fce8b177c2aac5e7b533d4f508961cd333f59f7c72eb932fd7c16c97acda6a6"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -181,10 +181,10 @@
         },
         "faker": {
             "hashes": [
-                "sha256:90b69e9e05d622edb2fa5ebfda7bef41c88675cace85e72689fde5b8723d00a3",
-                "sha256:da395fe545f40d4366b82b1a02448847a4586bd2b28af393b3edbd1e45d1e0fc"
+                "sha256:0a68a539b236a614157581a135c82a27024a66dc96b9a491883fe583ae3689f9",
+                "sha256:38bd2ff0afb7d9956fed477a2cd1007a7012b401a9ffd3de5fb909d739880582"
             ],
-            "version": "==6.5.0"
+            "version": "==6.6.0"
         },
         "filelock": {
             "hashes": [
@@ -218,11 +218,11 @@
         },
         "flake8-bugbear": {
             "hashes": [
-                "sha256:528020129fea2dea33a466b9d64ab650aa3e5f9ffc788b70ea4bc6cf18283538",
-                "sha256:f35b8135ece7a014bc0aee5b5d485334ac30a6da48494998cc1fabf7ec70d703"
+                "sha256:5d6ccb0c0676c738a6e066b4d50589c408dcc1c5bf1d73b464b18b73cd6c05c2",
+                "sha256:cadce434ceef96463b45a7c3000f23527c04ea4b531d16c7ac8886051f516ca0"
             ],
             "index": "pypi",
-            "version": "==20.11.1"
+            "version": "==21.3.2"
         },
         "flake8-comprehensions": {
             "hashes": [
@@ -333,10 +333,10 @@
         },
         "identify": {
             "hashes": [
-                "sha256:2179e7359471ab55729f201b3fdf7dc2778e221f868410fedcb0987b791ba552",
-                "sha256:2a5fdf2f5319cc357eda2550bea713a404392495961022cf2462624ce62f0f46"
+                "sha256:220169a38a0c977c8fef377dc808d6a3330641b5211ec7356c7bbe73cda487c7",
+                "sha256:da3d757c94596c50865aae63db6ba4e2e5e3f666c3ea6a6da0cd09a8b2d34abc"
             ],
-            "version": "==2.1.0"
+            "version": "==2.1.1"
         },
         "iniconfig": {
             "hashes": [
@@ -584,15 +584,23 @@
                 "sha256:5accb17103e43963b80e6f837831f38d314a0495500067cb25afab2e8d7a4018",
                 "sha256:607774cbba28732bfa802b54baa7484215f530991055bb562efbed5b2f20a45e",
                 "sha256:6c78645d400265a062508ae399b60b8c167bf003db364ecb26dcab2bda048253",
+                "sha256:72a01f726a9c7851ca9bfad6fd09ca4e090a023c00945ea05ba1638c09dc3347",
                 "sha256:74c1485f7707cf707a7aef42ef6322b8f97921bd89be2ab6317fd782c2d53183",
+                "sha256:895f61ef02e8fed38159bb70f7e100e00f471eae2bc838cd0f4ebb21e28f8541",
                 "sha256:8c1be557ee92a20f184922c7b6424e8ab6691788e6d86137c5d93c1a6ec1b8fb",
                 "sha256:bb4191dfc9306777bc594117aee052446b3fa88737cd13b7188d0e7aa8162185",
+                "sha256:bfb51918d4ff3d77c1c856a9699f8492c612cde32fd3bcd344af9be34999bfdc",
                 "sha256:c20cfa2d49991c8b4147af39859b167664f2ad4561704ee74c1de03318e898db",
+                "sha256:cb333c16912324fd5f769fff6bc5de372e9e7a202247b48870bc251ed40239aa",
                 "sha256:d2d9808ea7b4af864f35ea216be506ecec180628aced0704e34aca0b040ffe46",
+                "sha256:d483ad4e639292c90170eb6f7783ad19490e7a8defb3e46f97dfe4bacae89122",
                 "sha256:dd5de0646207f053eb0d6c74ae45ba98c3395a571a2891858e87df7c9b9bd51b",
                 "sha256:e1d4970ea66be07ae37a3c2e48b5ec63f7ba6804bdddfdbd3cfd954d25a82e63",
                 "sha256:e4fac90784481d221a8e4b1162afa7c47ed953be40d31ab4629ae917510051df",
-                "sha256:fa5ae20527d8e831e8230cbffd9f8fe952815b2b7dae6ffec25318803a7528fc"
+                "sha256:fa5ae20527d8e831e8230cbffd9f8fe952815b2b7dae6ffec25318803a7528fc",
+                "sha256:fd7f6999a8070df521b6384004ef42833b9bd62cfee11a09bda1079b4b704247",
+                "sha256:fdc842473cd33f45ff6bce46aea678a54e3d21f1b61a7750ce3c498eedfe25d6",
+                "sha256:fe69978f3f768926cfa37b867e3843918e012cf83f680806599ddce33c2c68b0"
             ],
             "version": "==5.4.1"
         },