diff --git a/pkgs/applications/networking/cluster/flink/default.nix b/pkgs/applications/networking/cluster/flink/default.nix
index aed6987e273..ffdbbfdcc57 100644
--- a/pkgs/applications/networking/cluster/flink/default.nix
+++ b/pkgs/applications/networking/cluster/flink/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, makeWrapper, jre
-, version ? "1.4" }:
+, version ? "1.5" }:
 
 let
   versionMap = {
@@ -15,6 +15,12 @@ let
       sha256 = "0x3cikys5brin0kx9zr69xfp8k5w6g8141yrrr26ks7gpss2x636";
       hadoopBundle = "";
     };
+    "1.5" = {
+      flinkVersion = "1.5.0";
+      scalaVersion = "2.11";
+      sha256 = "0n5023dj8ivmbhqxmb3abmfh3ahb9vmcywq5i0ll5p7xxcw2c1cv";
+      hadoopBundle = "";
+    };
   };
 in