diff --git a/src/karmen_backend/Pipfile.lock b/src/karmen_backend/Pipfile.lock
index c3eef85f..53a3f41d 100644
--- a/src/karmen_backend/Pipfile.lock
+++ b/src/karmen_backend/Pipfile.lock
@@ -33,10 +33,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+                "sha256:0ef97238856430dcf9228e07f316aefc17e8939fc8507e18c6501b761ef1a42a",
+                "sha256:2867b7b9f8326499ab5b0e2d12801fa5c98842d2cbd22b35112ae04bf85b4dff"
             ],
-            "version": "==19.3.0"
+            "version": "==20.1.0"
         },
         "bcrypt": {
             "hashes": [
@@ -86,10 +86,10 @@
         },
         "botocore": {
             "hashes": [
-                "sha256:3fb144d2b5d705127f394f7483737ece6fa79577ca7c493e4f42047ac8636200",
-                "sha256:f8801ce7f7603922ccab1c86c448e802f94183e31d99457e85fb9985a20d3abc"
+                "sha256:42b320b449df22cdb1232913e4a066919d127feb8e58ad98898831e6255ccfe0",
+                "sha256:eca25f01c503c2b86b394497f875a0eb0d3fe367dbc032f3a02851ba7e827109"
             ],
-            "version": "==1.17.43"
+            "version": "==1.17.47"
         },
         "cachetools": {
             "hashes": [
@@ -263,10 +263,10 @@
         },
         "inflection": {
             "hashes": [
-                "sha256:88b101b2668a1d81d6d72d4c2018e53bc6c7fc544c987849da1c7f77545c3bc9",
-                "sha256:f576e85132d34f5bf7df5183c2c6f94cfb32e528f53065345cf71329ba0b8924"
+                "sha256:1a29730d366e996aaacffb2f1f1cb9593dc38e2ddd30c91250c6dde09ea9b417",
+                "sha256:f38b2b640938a4f35ade69ac3d053042959b62a0f1076a5bbaa1b9526605a8a2"
             ],
-            "version": "==0.5.0"
+            "version": "==0.5.1"
         },
         "itsdangerous": {
             "hashes": [
@@ -587,10 +587,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+                "sha256:0ef97238856430dcf9228e07f316aefc17e8939fc8507e18c6501b761ef1a42a",
+                "sha256:2867b7b9f8326499ab5b0e2d12801fa5c98842d2cbd22b35112ae04bf85b4dff"
             ],
-            "version": "==19.3.0"
+            "version": "==20.1.0"
         },
         "black": {
             "hashes": [
@@ -764,6 +764,22 @@
             ],
             "version": "==0.13.1"
         },
+        "psutil": {
+            "hashes": [
+                "sha256:0ee3c36428f160d2d8fce3c583a0353e848abb7de9732c50cf3356dd49ad63f8",
+                "sha256:10512b46c95b02842c225f58fa00385c08fa00c68bac7da2d9a58ebe2c517498",
+                "sha256:4080869ed93cce662905b029a1770fe89c98787e543fa7347f075ade761b19d6",
+                "sha256:5e9d0f26d4194479a13d5f4b3798260c20cecf9ac9a461e718eb59ea520a360c",
+                "sha256:66c18ca7680a31bf16ee22b1d21b6397869dda8059dbdb57d9f27efa6615f195",
+                "sha256:68d36986ded5dac7c2dcd42f2682af1db80d4bce3faa126a6145c1637e1b559f",
+                "sha256:90990af1c3c67195c44c9a889184f84f5b2320dce3ee3acbd054e3ba0b4a7beb",
+                "sha256:a5b120bb3c0c71dfe27551f9da2f3209a8257a178ed6c628a819037a8df487f1",
+                "sha256:d8a82162f23c53b8525cf5f14a355f5d1eea86fa8edde27287dd3a98399e4fdf",
+                "sha256:f2018461733b23f308c298653c8903d32aaad7873d25e1d228765e91ae42c3f2",
+                "sha256:ff1977ba1a5f71f89166d5145c3da1cea89a0fdb044075a12c720ee9123ec818"
+            ],
+            "version": "==5.7.2"
+        },
         "py": {
             "hashes": [
                 "sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2",
@@ -803,11 +819,11 @@
         },
         "pytest-xdist": {
             "hashes": [
-                "sha256:340e8e83e2a4c0d861bdd8d05c5d7b7143f6eea0aba902997db15c2a86be04ee",
-                "sha256:ba5d10729372d65df3ac150872f9df5d2ed004a3b0d499cc0164aafedd8c7b66"
+                "sha256:3217b1f40290570bf27b1f82714fc4ed44c3260ba9b2f6cde0372378fc707ad3",
+                "sha256:e5d9973083ffd809f1b895e4677f4d0c5b815f31953bdb4a468f74ce9877af31"
             ],
             "index": "pypi",
-            "version": "==1.34.0"
+            "version": "==2.0.0"
         },
         "python-coveralls": {
             "hashes": [