diff --git a/Pipfile.lock b/Pipfile.lock
index b284718..a675ad8 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -276,11 +276,11 @@
         },
         "coveralls": {
             "hashes": [
-                "sha256:baa26648430d5c2225ab12d7e2067f75597a4b967034bba7e3d5ab7501d207a1",
-                "sha256:ff9b7823b15070f26f654837bb02a201d006baaf2083e0514ffd3b34a3ffed81"
+                "sha256:9bc5a1f92682eef59f688a8f280207190d9a6afb84cef8f567fa47631a784060",
+                "sha256:fb51cddef4bc458de347274116df15d641a735d3f0a580a9472174e2e62f408c"
             ],
             "index": "pypi",
-            "version": "==1.7.0"
+            "version": "==1.8.2"
         },
         "docopt": {
             "hashes": [
@@ -335,11 +335,11 @@
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a87422fa64e8",
-                "sha256:80d2de76188eabfbfcf27e6a37342c2827801e59c4cc14b0371c56fed43820e3"
+                "sha256:9ff1b1c5a354142de080b8a4e9803e5d0d59283c93aed808617c787d16768375",
+                "sha256:b7143592e374e50584564794fcb8aaf00a23025f9db866627f89a21491847a8d"
             ],
             "markers": "python_version < '3.8'",
-            "version": "==0.19"
+            "version": "==0.20"
         },
         "incremental": {
             "hashes": [
@@ -469,10 +469,10 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:95b1f6db806e5b1b5b443efeb58984c24945508f93a866c1719e1a507a957d7c",
-                "sha256:c3d5020755f70c82eceda3feaf556af9a341334414a8eca521a18f463bcead88"
+                "sha256:95d13143cc14174ca1a01ec68e84d76ba5d9d493ac02716fd9706c949a505210",
+                "sha256:b78fe2881323bd44fd9bd76e5317173d4316577e7b1cddebae9136a4495ec865"
             ],
-            "version": "==5.1.1"
+            "version": "==5.1.2"
         },
         "pytest-cov": {
             "hashes": [
@@ -505,9 +505,9 @@
         },
         "snowballstemmer": {
             "hashes": [
-                "sha256:9f3b9ffe0809d174f7047e121431acf99c89a7040f0ca84f94ba53a498e6d0c9"
+                "sha256:713e53b79cbcf97bc5245a06080a33d54a77e7cce2f789c835a143bcdb5c033e"
             ],
-            "version": "==1.9.0"
+            "version": "==1.9.1"
         },
         "sphinx": {
             "hashes": [
@@ -605,10 +605,10 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:4970c3758f4e89a7857a973b1e2a5d75bcdc47794442f2e2dd4fe8e0466e809a",
-                "sha256:8a5712cfd3bb4248015eb3b0b3c54a5f6ee3f2425963ef2a0125b8bc40aafaec"
+                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
+                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
             ],
-            "version": "==0.5.2"
+            "version": "==0.6.0"
         }
     }
 }