diff --git a/poetry.lock b/poetry.lock
index b90aaf3..b4b2a35 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -179,14 +179,14 @@ marker = "python_version < \"3.8\""
 name = "importlib-metadata"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "1.6.0"
+version = "1.6.1"
 
 [package.dependencies]
 zipp = ">=0.5"
 
 [package.extras]
 docs = ["sphinx", "rst.linker"]
-testing = ["packaging", "importlib-resources"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
 
 [[package]]
 category = "dev"
@@ -447,7 +447,7 @@ description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
 python-versions = ">=3.5"
-version = "5.4.2"
+version = "5.4.3"
 
 [package.dependencies]
 atomicwrites = ">=1.0"
@@ -545,7 +545,7 @@ description = "Measures the displayed width of unicode strings in a terminal"
 name = "wcwidth"
 optional = false
 python-versions = "*"
-version = "0.2.2"
+version = "0.2.3"
 
 [[package]]
 category = "dev"
@@ -710,8 +710,8 @@ flake8 = [
     {file = "flake8-3.8.2.tar.gz", hash = "sha256:c69ac1668e434d37a2d2880b3ca9aafd54b3a10a3ac1ab101d22f29e29cf8634"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-1.6.0-py2.py3-none-any.whl", hash = "sha256:2a688cbaa90e0cc587f1df48bdc97a6eadccdcd9c35fb3f976a09e3b5016d90f"},
-    {file = "importlib_metadata-1.6.0.tar.gz", hash = "sha256:34513a8a0c4962bc66d35b359558fd8a5e10cd472d37aec5f66858addef32c1e"},
+    {file = "importlib_metadata-1.6.1-py2.py3-none-any.whl", hash = "sha256:15ec6c0fd909e893e3a08b3a7c76ecb149122fb14b7efe1199ddd4c7c57ea958"},
+    {file = "importlib_metadata-1.6.1.tar.gz", hash = "sha256:0505dd08068cfec00f53a74a0ad927676d7757da81b7436a6eefe4c7cf75c545"},
 ]
 ipython = [
     {file = "ipython-7.15.0-py3-none-any.whl", hash = "sha256:1b85d65632211bf5d3e6f1406f3393c8c429a47d7b947b9a87812aa5bce6595c"},
@@ -837,8 +837,8 @@ pysha3 = [
     {file = "pysha3-1.0.2.tar.gz", hash = "sha256:fe988e73f2ce6d947220624f04d467faf05f1bbdbc64b0a201296bb3af92739e"},
 ]
 pytest = [
-    {file = "pytest-5.4.2-py3-none-any.whl", hash = "sha256:95c710d0a72d91c13fae35dce195633c929c3792f54125919847fdcdf7caa0d3"},
-    {file = "pytest-5.4.2.tar.gz", hash = "sha256:eb2b5e935f6a019317e455b6da83dd8650ac9ffd2ee73a7b657a30873d67a698"},
+    {file = "pytest-5.4.3-py3-none-any.whl", hash = "sha256:5c0db86b698e8f170ba4582a492248919255fcd4c79b1ee64ace34301fb589a1"},
+    {file = "pytest-5.4.3.tar.gz", hash = "sha256:7979331bfcba207414f5e1263b5a0f8f521d0f457318836a7355531ed1a4c7d8"},
 ]
 pytest-cov = [
     {file = "pytest-cov-2.9.0.tar.gz", hash = "sha256:b6a814b8ed6247bd81ff47f038511b57fe1ce7f4cc25b9106f1a4b106f1d9322"},
@@ -908,8 +908,8 @@ typing-extensions = [
     {file = "typing_extensions-3.7.4.2.tar.gz", hash = "sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae"},
 ]
 wcwidth = [
-    {file = "wcwidth-0.2.2-py2.py3-none-any.whl", hash = "sha256:b651b6b081476420e4e9ae61239ac4c1b49d0c5ace42b2e81dc2ff49ed50c566"},
-    {file = "wcwidth-0.2.2.tar.gz", hash = "sha256:3de2e41158cb650b91f9654cbf9a3e053cee0719c9df4ddc11e4b568669e9829"},
+    {file = "wcwidth-0.2.3-py2.py3-none-any.whl", hash = "sha256:980fbf4f3c196c0f329cdcd1e84c554d6a211f18e252e525a0cf4223154a41d6"},
+    {file = "wcwidth-0.2.3.tar.gz", hash = "sha256:edbc2b718b4db6cdf393eefe3a420183947d6aa312505ce6754516f458ff8830"},
 ]
 zipp = [
     {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},