diff --git a/img-compression/requirements.txt b/img-compression/requirements.txt
index a4b2aca..dfaa311 100644
--- a/img-compression/requirements.txt
+++ b/img-compression/requirements.txt
@@ -36,7 +36,7 @@ mistune==0.8.4
 more-itertools==8.0.0
 nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.0.2
+notebook==6.4.12
 numba==0.46.0
 numpy==1.17.4
 opt-einsum==3.1.0