diff --git a/requirements-docs.txt b/requirements-docs.txt
index 69c4710c..28cf467d 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -79,6 +79,7 @@ pyrfc3339==1.1            # via -r requirements.txt, acme
 python-dateutil==2.8.1    # via -r requirements.txt, alembic, arrow, botocore
 python-editor==1.0.4      # via -r requirements.txt, alembic
 python-json-logger==0.1.11  # via -r requirements.txt, logmatic-python
+python-ldap==3.3.1        # via -r requirements.txt
 pytz==2019.3              # via -r requirements.txt, acme, babel, celery, flask-restful, pyrfc3339
 pyyaml==5.3.1             # via -r requirements.txt, cloudflare
 raven[flask]==6.10.0      # via -r requirements.txt
@@ -91,7 +92,7 @@ six==1.15.0               # via -r requirements.txt, acme, bcrypt, cryptography,
 snowballstemmer==2.0.0    # via sphinx
 soupsieve==2.0.1          # via -r requirements.txt, beautifulsoup4
 sphinx-rtd-theme==0.5.0   # via -r requirements-docs.in
-sphinx==3.3.0             # via -r requirements-docs.in, sphinx-rtd-theme, sphinxcontrib-httpdomain
+sphinx==3.3.1             # via -r requirements-docs.in, sphinx-rtd-theme, sphinxcontrib-httpdomain
 sphinxcontrib-applehelp==1.0.2  # via sphinx
 sphinxcontrib-devhelp==1.0.2  # via sphinx
 sphinxcontrib-htmlhelp==1.0.3  # via sphinx