diff --git a/poetry.lock b/poetry.lock
index 2541148..3b66fb7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -157,9 +157,10 @@ description = "A Python utility / library to sort Python imports."
 name = "isort"
 optional = false
 python-versions = ">=3.6,<4.0"
-version = "5.1.1"
+version = "5.2.1"
 
 [package.extras]
+colors = ["colorama (>=0.4.3,<0.5.0)"]
 pipfile_deprecated_finder = ["pipreqs", "requirementslib", "tomlkit (>=0.5.3)"]
 requirements_deprecated_finder = ["pipreqs", "pip-api"]
 
@@ -313,7 +314,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "ba1740bfe271806984a0ae7834f8f74eb94e3e98a3bca722d523e12f12482f4c"
+content-hash = "8271fb7e6cb7afba42fd0c87b0dd7d70e36173dc1b2989dd565063b4a6d11f86"
 python-versions = "^3.6"
 
 [metadata.files]
@@ -397,8 +398,8 @@ importlib-metadata = [
     {file = "importlib_metadata-1.6.1.tar.gz", hash = "sha256:0505dd08068cfec00f53a74a0ad927676d7757da81b7436a6eefe4c7cf75c545"},
 ]
 isort = [
-    {file = "isort-5.1.1-py3-none-any.whl", hash = "sha256:18aa2e5d9dd7314115baa20e81e242ee4a83f0e72f14c44a642749f69cc8dc26"},
-    {file = "isort-5.1.1.tar.gz", hash = "sha256:069aa3af9b51c7f67311710e70514e685e868cd71cc1c39e78a5264f0d048c1e"},
+    {file = "isort-5.2.1-py3-none-any.whl", hash = "sha256:a4401d357b0f7a9064781da345e6e2f075ebc09fbebf605740163140d5ac418c"},
+    {file = "isort-5.2.1.tar.gz", hash = "sha256:761a8f490d8bbcd3549b5618ed423468bbdece603cce44b290ee274c9a360893"},
 ]
 mccabe = [
     {file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
diff --git a/pyproject.toml b/pyproject.toml
index 3fb0df9..482e941 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ Shapely = "^1.6.4"
 pyshp = "^2.1.0"
 
 [tool.poetry.dev-dependencies]
-isort = "^5.1"
+isort = "^5.2"
 flake8 = "^3.8.3"
 black = { version = "==19.10b0", allow-prereleases = true }
 coveralls = "^2.1.1"