diff --git a/requirements.txt b/requirements.txt
index 2024cf92..246242f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ mpl_toolkits
 mpmath==0.18
 numpy==1.8.0
 oauth2==1.9.0.post1
-paramiko==1.16.0
+paramiko==4.0.0
 parsedatetime==1.5
 Pillow==2.9.0
 pycparser==2.10