diff --git a/Pipfile b/Pipfile
index 3e87ae4..067d282 100644
--- a/Pipfile
+++ b/Pipfile
@@ -17,11 +17,11 @@ waitress = "==2.1.2"
 pyyaml = "==6.0.2"
 flask-cors = "==3.0.10"
 ldap3 = "==2.9.1"
-pymysql = "==1.0.3"
+pymysql = "==1.1.1"
 werkzeug = "==2.3.8"
 
 [dev-packages]
-flake8 = "==3.9.2"
+flake8 = "==6.1.0"
 yapf = "==0.40.2"
 pre-commit = "==2.13.0"
 reuse = "==0.14.0"
diff --git a/Pipfile.lock b/Pipfile.lock
index 842f66a..a024894 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "bd8ae4805049dda808a5d3e0e23e05bcbae4991f935bf7b50f5c301eb5828b26"
+            "sha256": "701ece99277177da8e5adf857508e3b83e00e1f75bd20509b370bbe0bd8c008f"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -265,12 +265,12 @@
         },
         "pymysql": {
             "hashes": [
-                "sha256:3dda943ef3694068a75d69d071755dbecacee1adf9a1fc5b206830d2b67d25e8",
-                "sha256:89fc6ae41c0aeb6e1f7710cdd623702ea2c54d040565767a78b00a5ebb12f4e5"
+                "sha256:4de15da4c61dc132f4fb9ab763063e693d521a80fd0e87943b9a453dd4c19d6c",
+                "sha256:e127611aaf2b417403c60bf4dc570124aeb4a57f5f37b8e95ae399a42f904cd0"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.7'",
-            "version": "==1.0.3"
+            "version": "==1.1.1"
         },
         "python-dotenv": {
             "hashes": [
@@ -587,12 +587,12 @@
         },
         "flake8": {
             "hashes": [
-                "sha256:07528381786f2a6237b061f6e96610a4167b226cb926e2aa2b6b1d78057c576b",
-                "sha256:bf8fd333346d844f616e8d47905ef3a3384edae6b4e9beb0c5101e25e3110907"
+                "sha256:d5b3857f07c030bdb5bf41c7f53799571d75c4491748a3adcd47de929e34cd23",
+                "sha256:ffdfce58ea94c6580c77888a86506937f9a1a227dfcd15f245d694ae20a6b6e5"
             ],
             "index": "pypi",
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==3.9.2"
+            "markers": "python_full_version >= '3.8.1'",
+            "version": "==6.1.0"
         },
         "identify": {
             "hashes": [
@@ -702,10 +702,11 @@
         },
         "mccabe": {
             "hashes": [
-                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
-                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+                "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325",
+                "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"
             ],
-            "version": "==0.6.1"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.7.0"
         },
         "nodeenv": {
             "hashes": [
@@ -734,19 +735,19 @@
         },
         "pycodestyle": {
             "hashes": [
-                "sha256:514f76d918fcc0b55c6680472f0a37970994e07bbb80725808c17089be302068",
-                "sha256:c389c1d06bf7904078ca03399a4816f974a1d590090fecea0c63ec26ebaf1cef"
+                "sha256:41ba0e7afc9752dfb53ced5489e89f8186be00e599e712660695b7a75ff2663f",
+                "sha256:44fe31000b2d866f2e41841b18528a505fbd7fef9017b04eff4e2648a0fadc67"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.7.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==2.11.1"
         },
         "pyflakes": {
             "hashes": [
-                "sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3",
-                "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"
+                "sha256:4132f6d49cb4dae6819e5379898f2b8cce3c5f23994194c24b77d5da2e36f774",
+                "sha256:a0aae034c444db0071aa077972ba4768d40c830d9539fd45bf4cd3f8f6992efc"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.3.1"
+            "markers": "python_version >= '3.8'",
+            "version": "==3.1.0"
         },
         "python-debian": {
             "hashes": [