diff --git a/poetry.lock b/poetry.lock
index ad8a445..b331811 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -530,7 +530,7 @@ description = "Python documentation generator"
 name = "sphinx"
 optional = true
 python-versions = ">=3.5"
-version = "3.1.2"
+version = "3.2.1"
 
 [package.dependencies]
 Jinja2 = ">=2.3"
@@ -730,7 +730,8 @@ pre-commit = []
 travis-ci = []
 
 [metadata]
-content-hash = "671fad780d36ac7dc6dd10cd30638e640854b88b001b0adff8f0d5b4d3f73d1c"
+content-hash = "59111ce4204df064d94e026331172d620ba438e83f2666d03582c63f91fe4519"
+lock-version = "1.0"
 python-versions = "^3.6"
 
 [metadata.files]
@@ -1006,8 +1007,8 @@ snowballstemmer = [
     {file = "snowballstemmer-1.2.1.tar.gz", hash = "sha256:919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128"},
 ]
 sphinx = [
-    {file = "Sphinx-3.1.2-py3-none-any.whl", hash = "sha256:97dbf2e31fc5684bb805104b8ad34434ed70e6c588f6896991b2fdfd2bef8c00"},
-    {file = "Sphinx-3.1.2.tar.gz", hash = "sha256:b9daeb9b39aa1ffefc2809b43604109825300300b987a24f45976c001ba1a8fd"},
+    {file = "Sphinx-3.2.1-py3-none-any.whl", hash = "sha256:ce6fd7ff5b215af39e2fcd44d4a321f6694b4530b6f2b2109b64d120773faea0"},
+    {file = "Sphinx-3.2.1.tar.gz", hash = "sha256:321d6d9b16fa381a5306e5a0b76cd48ffbc588e6340059a729c6fdd66087e0e8"},
 ]
 sphinx-rtd-theme = [
     {file = "sphinx_rtd_theme-0.5.0-py2.py3-none-any.whl", hash = "sha256:373413d0f82425aaa28fb288009bf0d0964711d347763af2f1b65cafcb028c82"},
diff --git a/pyproject.toml b/pyproject.toml
index b981cdc..84ea145 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ responses = "^0.10.15"
 pytest-runner = "^5.2"
 towncrier = {version = "^19.2", optional = true}
 tox = "^3.19"
-sphinx = {version = "^3.1", optional = true}
+sphinx = {version = "^3.2", optional = true}
 sphinx_rtd_theme = {version = "^0.5.0", optional = true}
 pre-commit = {version = "^2.1", optional = true}