diff --git a/docs/requirements.txt b/docs/requirements.txt
index dbb69a2e2..d7c76f406 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -16,7 +16,7 @@ astroid ==2.2.5
 nbconvert <6.0.0
 jinja2 ==2.11.3
 docutils ==0.16
-pygments==2.7.4
+pygments==2.20.0
 alabaster==0.7.12
 scipy
 numpy