diff --git a/pkgs/servers/nosql/cassandra/3.11.nix b/pkgs/servers/nosql/cassandra/3.11.nix
index 56a3c5705b5..8ade5aac030 100644
--- a/pkgs/servers/nosql/cassandra/3.11.nix
+++ b/pkgs/servers/nosql/cassandra/3.11.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./generic.nix (args // {
-  version = "3.11.4";
-  sha256 = "11wr0vcps8w8g2sd8qwp1yp8y873c4q32azc041xpi7zqciqwnax";
+  version = "3.11.9";
+  sha256 = "1ckaacc1z0j72llklrc4587ia6a0pab02bdyac6g3kl6kqvcz40c";
 })