diff --git a/pkgs/development/libraries/haskell/diagrams/contrib.nix b/pkgs/development/libraries/haskell/diagrams/contrib.nix
index aca28a02490..4cbe8b7c193 100644
--- a/pkgs/development/libraries/haskell/diagrams/contrib.nix
+++ b/pkgs/development/libraries/haskell/diagrams/contrib.nix
@@ -7,8 +7,8 @@
 
 cabal.mkDerivation (self: {
   pname = "diagrams-contrib";
-  version = "1.1.1.4";
-  sha256 = "0n2r6k65kxvk5mwm193yhzwnj3bhignq4xdslfpv2m1afdvws2y1";
+  version = "1.1.1.5";
+  sha256 = "1165qq5pzj3vr8f6545hpa5ri8jy43r1ydmimzy7xg9iynjgxass";
   buildDepends = [
     arithmoi circlePacking colour dataDefault dataDefaultClass
     diagramsCore diagramsLib forceLayout lens MonadRandom mtl parsec