diff --git a/docs/requirements.txt b/docs/requirements.txt
index b245f12..15c1cb7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -7,7 +7,7 @@ tensorflow==2.13.0
 numpy==1.24.3
 numpydoc==1.5.0
 astropy==5.3.1
-pydot==2.0.0
+pydot==1.4.2
 graphviz==0.20.1
 astroquery==0.4.6
 boto3==1.28.7