diff --git a/poetry.lock b/poetry.lock
index a9c75f2..67f9f25 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -208,17 +208,17 @@ category = "dev"
 description = "A library for property-based testing"
 name = "hypothesis"
 optional = false
-python-versions = ">=3.5"
-version = "5.1.0"
+python-versions = ">=3.5.2"
+version = "5.16.1"
 
 [package.dependencies]
 attrs = ">=19.2.0"
 sortedcontainers = ">=2.1.0,<3.0.0"
 
 [package.extras]
-all = ["django (>=1.11)", "dpcontracts (>=0.4)", "lark-parser (>=0.6.5)", "numpy (>=1.9.0)", "pandas (>=0.19)", "pytest (>=4.3)", "python-dateutil (>=1.4)", "pytz (>=2014.1)"]
+all = ["django (>=2.2)", "dpcontracts (>=0.4)", "lark-parser (>=0.6.5)", "numpy (>=1.9.0)", "pandas (>=0.19)", "pytest (>=4.3)", "python-dateutil (>=1.4)", "pytz (>=2014.1)"]
 dateutil = ["python-dateutil (>=1.4)"]
-django = ["pytz (>=2014.1)", "django (>=1.11)"]
+django = ["pytz (>=2014.1)", "django (>=2.2)"]
 dpcontracts = ["dpcontracts (>=0.4)"]
 lark = ["lark-parser (>=0.6.5)"]
 numpy = ["numpy (>=1.9.0)"]
@@ -715,7 +715,7 @@ testing = ["jaraco.itertools", "func-timeout"]
 docs = ["sphinx", "sphinx-autodoc-typehints", "toml"]
 
 [metadata]
-content-hash = "0f520a1834c95d2d91b00463f0c0cd59f17581b1689ce95c0fa5dfdf466bb27e"
+content-hash = "779ca88989b5cd14c732960f05016bcca2f63c06e3c60269147d1b7f404f6462"
 python-versions = ">= 3.6"
 
 [metadata.files]
@@ -832,8 +832,8 @@ gitpython = [
     {file = "GitPython-3.1.3.tar.gz", hash = "sha256:e107af4d873daed64648b4f4beb89f89f0cfbe3ef558fc7821ed2331c2f8da1a"},
 ]
 hypothesis = [
-    {file = "hypothesis-5.1.0-py3-none-any.whl", hash = "sha256:6abd5740ed05dff9efe0df18f0f7013eb4aa99c143f7177fbefb603888a990d0"},
-    {file = "hypothesis-5.1.0.tar.gz", hash = "sha256:1b03916e72265655378c5e67f27663adb1e6175fe1ad906d58997b7a04ce99ad"},
+    {file = "hypothesis-5.16.1-py3-none-any.whl", hash = "sha256:8e7ee0101086d95157f4886abd190cc582783b3310c803eb2387e505427e8cbe"},
+    {file = "hypothesis-5.16.1.tar.gz", hash = "sha256:dcd97367571657e9155d78ea0b6c3abf67acf4eaa6440e861213cd1beab02714"},
 ]
 idna = [
     {file = "idna-2.9-py2.py3-none-any.whl", hash = "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"},
diff --git a/pyproject.toml b/pyproject.toml
index 2d6209d..e01c73e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ toml = { version = "^0.10.0", optional = true }
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.4"
-hypothesis = "^5.1"
+hypothesis = "^5.16"
 isort = "^4.3"
 flake8 = "^3.8"
 black = "^19.3b0"