diff --git a/requirements-docs.txt b/requirements-docs.txt
index a7a6c41..9bfaba6 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -3,4 +3,4 @@
 
 # documentation generation support
 Sphinx==3.0.3
-numpydoc==0.9.2
+numpydoc==1.1.0