diff --git a/pkgs/applications/networking/cluster/flink/default.nix b/pkgs/applications/networking/cluster/flink/default.nix
index aed6987e2738..402a03b77f4a 100644
--- a/pkgs/applications/networking/cluster/flink/default.nix
+++ b/pkgs/applications/networking/cluster/flink/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, makeWrapper, jre
-, version ? "1.4" }:
+, version ? "1.5" }:
 
 let
   versionMap = {
     "1.3" = {
-      flinkVersion = "1.3.2";
+      flinkVersion = "1.3.3";
       scalaVersion = "2.11";
-      sha256 = "0mf4qz0963bflzidgslvwpdlvj9za9sj20dfybplw9lhd4sf52rp";
+      sha256 = "0gfm48k5adr14gnhqri9cd01i9dprd0nwmnnz3yrpd20nq4ap4qy";
       hadoopBundle = "-hadoop27";
     };
     "1.4" = {
@@ -15,6 +15,12 @@ let
       sha256 = "0x3cikys5brin0kx9zr69xfp8k5w6g8141yrrr26ks7gpss2x636";
       hadoopBundle = "";
     };
+    "1.5" = {
+      flinkVersion = "1.5.0";
+      scalaVersion = "2.11";
+      sha256 = "0n5023dj8ivmbhqxmb3abmfh3ahb9vmcywq5i0ll5p7xxcw2c1cv";
+      hadoopBundle = "";
+    };
   };
 in
 
@@ -24,7 +30,7 @@ stdenv.mkDerivation rec {
   name = "flink-${flinkVersion}";
 
   src = fetchurl {
-    url = "mirror://apache/flink/${name}/${name}-bin-scala_${hadoopBundle}${scalaVersion}.tgz";
+    url = "mirror://apache/flink/${name}/${name}-bin${hadoopBundle}-scala_${scalaVersion}.tgz";
     inherit sha256;
   };