diff --git a/poetry.lock b/poetry.lock
index 615f085..3d46076 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -255,7 +255,7 @@ description = "A Python utility / library to sort Python imports."
 name = "isort"
 optional = false
 python-versions = ">=3.6,<4.0"
-version = "5.0.9"
+version = "5.1.1"
 
 [package.extras]
 pipfile_deprecated_finder = ["pipreqs", "requirementslib", "tomlkit (>=0.5.3)"]
@@ -624,7 +624,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
-content-hash = "d63224294b200bf0d3c2623ad6c9a47b2d78f03d9320a51498dfd24b29a1f847"
+content-hash = "d0439da7bb280098f292f441c213ff1b479b2a0f11a4d6dab01c209edabee89f"
 python-versions = "^3.6"
 
 [metadata.files]
@@ -775,8 +775,8 @@ isodate = [
     {file = "isodate-0.6.0.tar.gz", hash = "sha256:2e364a3d5759479cdb2d37cce6b9376ea504db2ff90252a2e5b7cc89cc9ff2d8"},
 ]
 isort = [
-    {file = "isort-5.0.9-py3-none-any.whl", hash = "sha256:3d8e0d7678b66af1e3a6936f2a380a5d4f3faf4b1b38c6aaa4bed6695c6bdcde"},
-    {file = "isort-5.0.9.tar.gz", hash = "sha256:639b8084644ceb13a806f42d690273b9d844793ac2f515fbc575ba65dc044de0"},
+    {file = "isort-5.1.1-py3-none-any.whl", hash = "sha256:18aa2e5d9dd7314115baa20e81e242ee4a83f0e72f14c44a642749f69cc8dc26"},
+    {file = "isort-5.1.1.tar.gz", hash = "sha256:069aa3af9b51c7f67311710e70514e685e868cd71cc1c39e78a5264f0d048c1e"},
 ]
 jdcal = [
     {file = "jdcal-1.4.1-py2.py3-none-any.whl", hash = "sha256:1abf1305fce18b4e8aa248cf8fe0c56ce2032392bc64bbd61b5dff2a19ec8bba"},
diff --git a/pyproject.toml b/pyproject.toml
index 167d63f..85a5110 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ sqlalchemy = "^1.3.0"
 deepmerge = "==0.1.0"
 
 [tool.poetry.dev-dependencies]
-isort = "^5.0"
+isort = "^5.1"
 flake8 = "^3.8.3"
 black = { version = "==19.10b0", allow-prereleases = true }
 coveralls = "^2.1.1"