diff --git a/Pipfile b/Pipfile
index 4aafa64..e3c9395 100644
--- a/Pipfile
+++ b/Pipfile
@@ -9,7 +9,7 @@ name = "pypi"
 pytest = "==7.1.2"
 pylint = "==2.14.5"
 pycodestyle = "==2.14.0"
-pytest-cov = "==3.0.0"
+pytest-cov = "==7.0.0"
 
 [scripts]
 tests = "pytest -vv --cov-report xml:coverage-reports/coverage.xml --cov=katas tests/"
diff --git a/Pipfile.lock b/Pipfile.lock
index 73143b2..dd32e43 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "1f48e12790737e1b908eb034a2b2e78068871eb727d3f45007bd61043b59e0b8"
+            "sha256": "b5843fe4784a485c06370f9ccdaf35c6ee371a986df78b7888894e2d9cb69584"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -38,61 +38,113 @@
                 "toml"
             ],
             "hashes": [
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-                "sha256:229c0dd2ccf956bf5aeede7e3131ca48b65beacde2029f0361b54bf93d36f45a",
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+                "sha256:f49a05acd3dfe1ce9715b657e28d138578bc40126760efb962322c56e9ca344b",
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+                "sha256:f57b2a3c8353d3e04acf75b3fed57ba41f5c0646bbf1d10c7c282291c97936b4",
+                "sha256:f7941f6f2fe6dd6807a1208737b8a0cbcf1cc6d7b07d24998ad2d63590868260",
+                "sha256:fc04cc7a3db33664e0c2d10eb8990ff6b3536f6842c9590ae8da4c614b9ed05a",
+                "sha256:fff7b9c3f19957020cac546c70025331113d2e61537f6e2441bc7657913de7d3"
             ],
-            "markers": "python_version >= '3.8'",
-            "version": "==7.3.1"
+            "markers": "python_version >= '3.9'",
+            "version": "==7.10.7"
         },
         "dill": {
             "hashes": [
@@ -104,11 +156,11 @@
         },
         "iniconfig": {
             "hashes": [
-                "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3",
-                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
+                "sha256:3abbd2e30b36733fee78f9c7f7308f2d0050e88f0087fd25c2645f63c773e1c7",
+                "sha256:9deba5723312380e77435581c6bf4935c94cbfab9b1ed33ef8d238ea168eb760"
             ],
-            "markers": "python_version >= '3.7'",
-            "version": "==2.0.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==2.1.0"
         },
         "isort": {
             "hashes": [
@@ -170,11 +222,11 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:994793af429502c4ea2ebf6bf664629d07c1a9fe974af92966e4b8d2df7edc61",
-                "sha256:a392980d2b6cffa644431898be54b0045151319d1e7ec34f0cfed48767dd334f"
+                "sha256:29572ef2b1f17581046b3a2227d5c611fb25ec70ca1ba8554b24b0e69331a484",
+                "sha256:d443872c98d677bf60f6a1f2f8c1cb748e8fe762d2bf9d3148b5599295b0fc4f"
             ],
-            "markers": "python_version >= '3.7'",
-            "version": "==23.1"
+            "markers": "python_version >= '3.8'",
+            "version": "==25.0"
         },
         "platformdirs": {
             "hashes": [
@@ -186,11 +238,11 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:cf61ae8f126ac6f7c451172cf30e3e43d3ca77615509771b3a984a0730651e12",
-                "sha256:d89c696a773f8bd377d18e5ecda92b7a3793cbe66c87060a6fb58c7b6e1061f7"
+                "sha256:7dcc130b76258d33b90f61b658791dede3486c3e6bfb003ee5c9bfb396dd22f3",
+                "sha256:e920276dd6813095e9377c0bc5566d94c932c33b27a3e3945d8389c374dd4746"
             ],
-            "markers": "python_version >= '3.8'",
-            "version": "==1.3.0"
+            "markers": "python_version >= '3.9'",
+            "version": "==1.6.0"
         },
         "py": {
             "hashes": [
@@ -223,15 +275,17 @@
                 "sha256:a06a0425453864a270bc45e71f783330a7428defb4230fb5e6a731fde06ecd45"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.7'",
             "version": "==7.1.2"
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:578d5d15ac4a25e5f961c938b85a05b09fdaae9deef3bb6de9a6e766622ca7a6",
-                "sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470"
+                "sha256:33c97eda2e049a0c5298e91f519302a1334c26ac65c1a483d6206fd458361af1",
+                "sha256:3b8e9558b16cc1479da72058bdecf8073661c7f57f7d3c5f22a1c23507f2d861"
             ],
             "index": "pypi",
-            "version": "==3.0.0"
+            "markers": "python_version >= '3.9'",
+            "version": "==7.0.0"
         },
         "setuptools": {
             "hashes": [