diff --git a/pkgs/development/tools/continuous-integration/jenkins/default.nix b/pkgs/development/tools/continuous-integration/jenkins/default.nix
index 377f35150f46..2857250cde85 100644
--- a/pkgs/development/tools/continuous-integration/jenkins/default.nix
+++ b/pkgs/development/tools/continuous-integration/jenkins/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "jenkins-${version}";
-  version = "2.90";
+  version = "2.91";
 
   src = fetchurl {
     url = "http://mirrors.jenkins-ci.org/war/${version}/jenkins.war";
-    sha256 = "15h1abcvr8b5n8l4kqivxncvc9dwz66pmdy9ycs3qaz4nrypws8z";
+    sha256 = "04ck1sq73v94xz1293qgypzahjdn5xlhl7ya7x0rzyf3x4zz6q5y";
   };
 
   buildCommand = ''