diff --git a/poetry.lock b/poetry.lock
index 712ae0569701fdc8580593d8129a27c8ddfe8ae3..71a3ea5d6daa285a0d6405cd7f6ee0eecf2d399d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1807,13 +1807,13 @@ description = "Python documentation generator"
 name = "sphinx"
 optional = false
 python-versions = ">=3.5"
-version = "2.4.4"
+version = "3.0.3"
 
 [package.dependencies]
 Jinja2 = ">=2.3"
 Pygments = ">=2.0"
 alabaster = ">=0.7,<0.8"
-babel = ">=1.3,<2.0 || >2.0"
+babel = ">=1.3"
 colorama = ">=0.3.5"
 docutils = ">=0.12"
 imagesize = "*"
@@ -1830,7 +1830,8 @@ sphinxcontrib-serializinghtml = "*"
 
 [package.extras]
 docs = ["sphinxcontrib-websupport"]
-test = ["pytest (<5.3.3)", "pytest-cov", "html5lib", "flake8 (>=3.5.0)", "flake8-import-order", "mypy (>=0.761)", "docutils-stubs"]
+lint = ["flake8 (>=3.5.0)", "flake8-import-order", "mypy (>=0.770)", "docutils-stubs"]
+test = ["pytest", "pytest-cov", "html5lib", "typed-ast", "cython"]
 
 [[package]]
 category = "dev"
@@ -2120,7 +2121,7 @@ celery = ["Celery", "django-celery-results", "django-celery-beat", "django-celer
 ldap = ["django-auth-ldap"]
 
 [metadata]
-content-hash = "8ee2f274bd54ae55ee4796b0af2fc9e48438f0e171fb40434ed9f49ac9438655"
+content-hash = "695de9d129a07795fcf274b5fb05cf0bed7fb1fd6c9ec8d677135cc57fb13bc9"
 python-versions = "^3.7"
 
 [metadata.files]
@@ -2904,8 +2905,8 @@ spdx-license-list = [
     {file = "spdx_license_list-0.4.0.tar.gz", hash = "sha256:f8b5eeda2a1c88d8ce15f6324d5a6128a462932a2e55b032f017ac9a0e61f1c7"},
 ]
 sphinx = [
-    {file = "Sphinx-2.4.4-py3-none-any.whl", hash = "sha256:fc312670b56cb54920d6cc2ced455a22a547910de10b3142276495ced49231cb"},
-    {file = "Sphinx-2.4.4.tar.gz", hash = "sha256:b4c750d546ab6d7e05bdff6ac24db8ae3e8b8253a3569b754e445110a0a12b66"},
+    {file = "Sphinx-3.0.3-py3-none-any.whl", hash = "sha256:f5505d74cf9592f3b997380f9bdb2d2d0320ed74dd69691e3ee0644b956b8d83"},
+    {file = "Sphinx-3.0.3.tar.gz", hash = "sha256:62edfd92d955b868d6c124c0942eba966d54b5f3dcb4ded39e65f74abac3f572"},
 ]
 sphinx-autodoc-typehints = [
     {file = "sphinx-autodoc-typehints-1.10.3.tar.gz", hash = "sha256:a6b3180167479aca2c4d1ed3b5cb044a70a76cccd6b38662d39288ebd9f0dff0"},
diff --git a/pyproject.toml b/pyproject.toml
index 65edd7a981a15f850ddb2c9655063dccdf1a6c05..5248e6174a473ec69fc6419292aed121fdf275e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -91,7 +91,7 @@ ldap = ["django-auth-ldap"]
 celery = ["Celery", "django-celery-results", "django-celery-beat", "django-celery-email", "celery-haystack"]
 
 [tool.poetry.dev-dependencies]
-sphinx = "^2.1"
+sphinx = "^3.0"
 sphinxcontrib-django = "^0.5.0"
 sphinx-autodoc-typehints = "^1.7"
 django-stubs = "^1.1"