diff --git a/Pipfile.lock b/Pipfile.lock
index b2e75c7..b130fbd 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -36,14 +36,6 @@
             "index": "pypi",
             "version": "==1.1.1"
         },
-        "importlib-metadata": {
-            "hashes": [
-                "sha256:073a852570f92da5f744a3472af1b61e28e9f78ccf0c9117658dc32b15de7b45",
-                "sha256:d95141fbfa7ef2ec65cfd945e2af7e5a6ddbd7c8d9a25e66ff3be8e3daf9f60f"
-            ],
-            "markers": "python_version < '3.8'",
-            "version": "==1.3.0"
-        },
         "itsdangerous": {
             "hashes": [
                 "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
@@ -129,10 +121,10 @@
         },
         "pyparsing": {
             "hashes": [
-                "sha256:20f995ecd72f2a1f4bf6b072b63b22e2eb457836601e76d6e5dfcd75436acc1f",
-                "sha256:4ca62001be367f01bd3e92ecbb79070272a9d4964dce6a48a82ff0b8bc7e683a"
+                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
+                "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"
             ],
-            "version": "==2.4.5"
+            "version": "==2.4.6"
         },
         "pytest": {
             "hashes": [
@@ -168,11 +160,11 @@
         },
         "waitress": {
             "hashes": [
-                "sha256:b3b6450106b65bfcbefce5940fff23240305db86683cbf4e524af199b514ba61",
-                "sha256:edbb927a6f7c43d4fde35740786a30c180c1623d70a7ad5fd1d1f4adacc54468"
+                "sha256:3776cbb9abebefb51e5b654f8728928aa17b656d9f6943c58ce8f48e87cef4e3",
+                "sha256:f4118cbce75985fd60aeb4f0d781aba8dc7ae28c18e50753e913d7a7dee76b62"
             ],
             "index": "pypi",
-            "version": "==1.4.0"
+            "version": "==1.4.1"
         },
         "wcwidth": {
             "hashes": [
@@ -187,13 +179,6 @@
                 "sha256:e5f4a1f98b52b18a93da705a7458e55afb26f32bff83ff5d19189f92462d65c4"
             ],
             "version": "==0.16.0"
-        },
-        "zipp": {
-            "hashes": [
-                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
-                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
-            ],
-            "version": "==0.6.0"
         }
     },
     "develop": {}