diff --git a/chapter1/requirements.txt b/chapter1/requirements.txt
index 758bbda..0b917be 100644
--- a/chapter1/requirements.txt
+++ b/chapter1/requirements.txt
@@ -75,7 +75,7 @@ nose==1.3.7
 numpy==1.12.1
 packaging==16.8
 pandas==0.19.2
-paramiko==2.1.2
+paramiko==2.10.1
 pep8==1.5.7
 pep8-naming==0.2.2
 pgcli==1.3.1