diff --git a/requirements-docs.in b/requirements-docs.in
index 93dd3968..07b3e987 100644
--- a/requirements-docs.in
+++ b/requirements-docs.in
@@ -33,6 +33,7 @@ pyOpenSSL
 raven[flask]
 retrying
 SQLAlchemy-Utils
+tabulate
 xmltodict
 
 # docs specific
diff --git a/requirements-docs.txt b/requirements-docs.txt
index b18706ae..41d5133b 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -121,6 +121,8 @@ sphinxcontrib-serializinghtml==1.1.4
     # via sphinx
 sqlalchemy-utils==0.36.8
     # manual debug
+tabulate==0.8.7
+    # manual debug
 urllib3==1.25.8
     # via requests
 xmltodict==0.12.0