diff --git a/requirements.txt b/requirements.txt
index 59eec6a..cd4ada9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,10 +10,6 @@ anyio==3.3.4
     # via jupyter-server
 appdirs==1.4.4
     # via requests-cache
-appnope==0.1.2
-    # via
-    #   ipykernel
-    #   ipython
 argon2-cffi==21.1.0
     # via
     #   jupyter-server
@@ -161,8 +157,10 @@ nbformat==5.1.3
     #   nbconvert
     #   notebook
 nest-asyncio==1.5.1
-    # via nbclient
-notebook==6.4.5
+    # via
+    #   nbclient
+    #   notebook
+notebook==6.4.12
     # via
     #   nbclassic
     #   widgetsnbextension