diff --git a/pkgs/development/libraries/haskell/bmp/1.2.4.1.nix b/pkgs/development/libraries/haskell/bmp/1.2.4.1.nix
deleted file mode 100644
index a3de1d11830c..000000000000
--- a/pkgs/development/libraries/haskell/bmp/1.2.4.1.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{ cabal, binary }:
-
-cabal.mkDerivation (self: {
-  pname = "bmp";
-  version = "1.2.4.1";
-  sha256 = "1ipy8v5n5dmajnai2cf7591chklxcbhpvwjdgvdwglipds2hjpap";
-  buildDepends = [ binary ];
-  meta = {
-    homepage = "http://code.ouroborus.net/bmp";
-    description = "Read and write uncompressed BMP image files";
-    license = self.stdenv.lib.licenses.mit;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/development/libraries/haskell/bmp/1.2.5.1.nix b/pkgs/development/libraries/haskell/bmp/1.2.5.2.nix
similarity index 81%
rename from pkgs/development/libraries/haskell/bmp/1.2.5.1.nix
rename to pkgs/development/libraries/haskell/bmp/1.2.5.2.nix
index 650251a6c374..6c85c9349c99 100644
--- a/pkgs/development/libraries/haskell/bmp/1.2.5.1.nix
+++ b/pkgs/development/libraries/haskell/bmp/1.2.5.2.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "bmp";
-  version = "1.2.5.1";
-  sha256 = "1q1g5p7kan9hqb4s50fz989c4p8vmfrs7qvwiqx9bcic8k7jqld4";
+  version = "1.2.5.2";
+  sha256 = "0f88f2ynm1fpzbjijy5fa8blfrdv42h5h28hfjlpd4fp0h96in5x";
   buildDepends = [ binary ];
   jailbreak = true;
   meta = {
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 0a146559db52..e21985b5ab30 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -618,9 +618,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   bloomfilter = callPackage ../development/libraries/haskell/bloomfilter {};
 
   bmp_1_2_2_1 = callPackage ../development/libraries/haskell/bmp/1.2.2.1.nix {};
-  bmp_1_2_4_1 = callPackage ../development/libraries/haskell/bmp/1.2.4.1.nix {};
-  bmp_1_2_5_1 = callPackage ../development/libraries/haskell/bmp/1.2.5.1.nix {};
-  bmp = self.bmp_1_2_5_1;
+  bmp_1_2_5_2 = callPackage ../development/libraries/haskell/bmp/1.2.5.2.nix {};
+  bmp = self.bmp_1_2_5_2;
 
   Boolean = callPackage ../development/libraries/haskell/Boolean {};