diff --git a/dendronet_legacy/patric_application/patric_tree_storage/requirements.txt b/dendronet_legacy/patric_application/patric_tree_storage/requirements.txt
index c984c64..f9f1abf 100644
--- a/dendronet_legacy/patric_application/patric_tree_storage/requirements.txt
+++ b/dendronet_legacy/patric_application/patric_tree_storage/requirements.txt
@@ -39,7 +39,7 @@ nbconvert==5.5.0
 nbformat==4.4.0
 networkx==2.3
 newick==0.9.2
-notebook==5.7.8
+notebook==6.4.10
 numpy==1.16.2
 pandas==0.24.2
 pandocfilters==1.4.2