diff --git a/Pipfile b/Pipfile
index 0f5cd30..06d03e7 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-numpy = "==1.14.3"
+numpy = "==1.22.0"
 scipy = "==1.0.0"
 matplotlib = "==2.1.0"
 
diff --git a/Pipfile.lock b/Pipfile.lock
index f8b6c0c..a19c01c 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "72b799c325115cc5f4724333499df119f58cf9cec6899ba0248b473481d95037"
+            "sha256": "06ff2d4c32434c4bdf888924aac25ad67374f224c2e417adf92385a4e2cbed02"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,10 +18,11 @@
     "default": {
         "cycler": {
             "hashes": [
-                "sha256:1d8a5ae1ff6c5cf9b93e8811e581232ad8920aeec647c37316ceac982b08cb2d",
-                "sha256:cd7b2d1018258d7247a71425e9f26463dfb444d411c39569972f4ce586b0c9d8"
+                "sha256:3a27e95f763a428a739d2add979fa7494c912a32c17c4c38c4d5f082cad165a3",
+                "sha256:9c87405839a19696e837b3b818fed3f5f69f16f1eec1a1ad77e043dcea9c772f"
             ],
-            "version": "==0.10.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.11.0"
         },
         "matplotlib": {
             "hashes": [
@@ -49,53 +50,54 @@
         },
         "numpy": {
             "hashes": [
-                "sha256:0074d42e2cc333800bd09996223d40ec52e3b1ec0a5cab05dacc09b662c4c1ae",
-                "sha256:034717bfef517858abc79324820a702dc6cd063effb9baab86533e8a78670689",
-                "sha256:0db6301324d0568089663ef2701ad90ebac0e975742c97460e89366692bd0563",
-                "sha256:1864d005b2eb7598063e35c320787d87730d864f40d6410f768fe4ea20672016",
-                "sha256:46ce8323ca9384814c7645298b8b627b7d04ce97d6948ef02da357b2389d6972",
-                "sha256:510863d606c932b41d2209e4de6157ab3fdf52001d3e4ad351103176d33c4b8b",
-                "sha256:560e23a12e7599be8e8b67621396c5bc687fd54b48b890adbc71bc5a67333f86",
-                "sha256:57dc6c22d59054542600fce6fae2d1189b9c50bafc1aab32e55f7efcc84a6c46",
-                "sha256:760550fdf9d8ec7da9c4402a4afe6e25c0f184ae132011676298a6b636660b45",
-                "sha256:8670067685051b49d1f2f66e396488064299fefca199c7c80b6ba0c639fedc98",
-                "sha256:9016692c7d390f9d378fc88b7a799dc9caa7eb938163dda5276d3f3d6f75debf",
-                "sha256:98ff275f1b5907490d26b30b6ff111ecf2de0254f0ab08833d8fe61aa2068a00",
-                "sha256:9ccf4d5c9139b1e985db915039baa0610a7e4a45090580065f8d8cb801b7422f",
-                "sha256:a8dbab311d4259de5eeaa5b4e83f5f8545e4808f9144e84c0f424a6ee55a7b98",
-                "sha256:aaef1bea636b6e552bbc5dae0ada87d4f6046359daaa97a05a013b0169620f27",
-                "sha256:b8987e30d9a0eb6635df9705a75cf8c4a2835590244baecf210163343bc65176",
-                "sha256:c3fe23df6fe0898e788581753da453f877350058c5982e85a8972feeecb15309",
-                "sha256:c5eb7254cfc4bd7a4330ad7e1f65b98343836865338c57b0e25c661e41d5cfd9",
-                "sha256:c80fcf9b38c7f4df666150069b04abbd2fe42ae640703a6e1f128cda83b552b7",
-                "sha256:e33baf50f2f6b7153ddb973601a11df852697fba4c08b34a5e0f39f66f8120e1",
-                "sha256:e8578a62a8eaf552b95d62f630bb5dd071243ba1302bbff3e55ac48588508736",
-                "sha256:f22b3206f1c561dd9110b93d144c6aaa4a9a354e3b07ad36030df3ea92c5bb5b",
-                "sha256:f39afab5769b3aaa786634b94b4a23ef3c150bdda044e8a32a3fc16ddafe803b"
+                "sha256:0cfe07133fd00b27edee5e6385e333e9eeb010607e8a46e1cd673f05f8596595",
+                "sha256:11a1f3816ea82eed4178102c56281782690ab5993251fdfd75039aad4d20385f",
+                "sha256:2762331de395739c91f1abb88041f94a080cb1143aeec791b3b223976228af3f",
+                "sha256:283d9de87c0133ef98f93dfc09fad3fb382f2a15580de75c02b5bb36a5a159a5",
+                "sha256:3d22662b4b10112c545c91a0741f2436f8ca979ab3d69d03d19322aa970f9695",
+                "sha256:41388e32e40b41dd56eb37fcaa7488b2b47b0adf77c66154d6b89622c110dfe9",
+                "sha256:42c16cec1c8cf2728f1d539bd55aaa9d6bb48a7de2f41eb944697293ef65a559",
+                "sha256:47ee7a839f5885bc0c63a74aabb91f6f40d7d7b639253768c4199b37aede7982",
+                "sha256:5a311ee4d983c487a0ab546708edbdd759393a3dc9cd30305170149fedd23c88",
+                "sha256:5dc65644f75a4c2970f21394ad8bea1a844104f0fe01f278631be1c7eae27226",
+                "sha256:6ed0d073a9c54ac40c41a9c2d53fcc3d4d4ed607670b9e7b0de1ba13b4cbfe6f",
+                "sha256:76ba7c40e80f9dc815c5e896330700fd6e20814e69da9c1267d65a4d051080f1",
+                "sha256:818b9be7900e8dc23e013a92779135623476f44a0de58b40c32a15368c01d471",
+                "sha256:a024181d7aef0004d76fb3bce2a4c9f2e67a609a9e2a6ff2571d30e9976aa383",
+                "sha256:a955e4128ac36797aaffd49ab44ec74a71c11d6938df83b1285492d277db5397",
+                "sha256:a97a954a8c2f046d3817c2bce16e3c7e9a9c2afffaf0400f5c16df5172a67c9c",
+                "sha256:a97e82c39d9856fe7d4f9b86d8a1e66eff99cf3a8b7ba48202f659703d27c46f",
+                "sha256:b55b953a1bdb465f4dc181758570d321db4ac23005f90ffd2b434cc6609a63dd",
+                "sha256:bb02929b0d6bfab4c48a79bd805bd7419114606947ec8284476167415171f55b",
+                "sha256:bece0a4a49e60e472a6d1f70ac6cdea00f9ab80ff01132f96bd970cdd8a9e5a9",
+                "sha256:e41e8951749c4b5c9a2dc5fdbc1a4eec6ab2a140fdae9b460b0f557eed870f4d",
+                "sha256:f71d57cc8645f14816ae249407d309be250ad8de93ef61d9709b45a0ddf4050c"
             ],
             "index": "pypi",
-            "version": "==1.14.3"
+            "version": "==1.22.0"
         },
         "pyparsing": {
             "hashes": [
-                "sha256:0832bcf47acd283788593e7a0f542407bd9550a55a8a8435214a1960e04bcb04",
-                "sha256:fee43f17a9c4087e7ed1605bd6df994c6173c1e977d7ade7b651292fab2bd010"
+                "sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb",
+                "sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc"
             ],
-            "version": "==2.2.0"
+            "markers": "python_full_version >= '3.6.8'",
+            "version": "==3.0.9"
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
-                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
+                "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86",
+                "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"
             ],
-            "version": "==2.7.3"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.8.2"
         },
         "pytz": {
             "hashes": [
-                "sha256:a061aa0a9e06881eb8b3b2b43f05b9439d6583c206d0a6c340ff72a7b6669053",
-                "sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277"
+                "sha256:1e760e2fe6a8163bc0b3d9a19c4f84342afa0a2affebfaa84b01b978a02ecaa7",
+                "sha256:e68985985296d9a66a881eb3193b0906246245294a881e7c8afe623866ac6a5c"
             ],
-            "version": "==2018.5"
+            "version": "==2022.1"
         },
         "scipy": {
             "hashes": [
@@ -128,10 +130,11 @@
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.11.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         }
     },
     "develop": {}