diff --git a/requirements-docs.in b/requirements-docs.in
index 755d0697..bc58be7e 100644
--- a/requirements-docs.in
+++ b/requirements-docs.in
@@ -8,6 +8,7 @@ cryptography
 Flask
 Flask-SQLAlchemy
 flask_replicated
+inflection
 logmatic-python
 
 # docs specific
diff --git a/requirements-docs.txt b/requirements-docs.txt
index 2beae50f..89a4ea93 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -28,6 +28,8 @@ flask-replicated==1.4
     # manual debug
 flask-sqlalchemy==2.4.4
     # manual debug
+inflection==0.5.1
+    # manual debug
 jinja2==2.11.3
     # via sphinx
 logmatic-python==0.1.7