diff --git a/pkgs/development/libraries/haskell/fgl/5.5.0.0.nix b/pkgs/development/libraries/haskell/fgl/5.5.0.0.nix
new file mode 100644
index 00000000000..d475a9cb312
--- /dev/null
+++ b/pkgs/development/libraries/haskell/fgl/5.5.0.0.nix
@@ -0,0 +1,15 @@
+{ cabal, mtl }:
+
+cabal.mkDerivation (self: {
+  pname = "fgl";
+  version = "5.5.0.0";
+  sha256 = "1kdqxbpsaka97rx0c7czlc1nfi72mdxs46gnqa8p0wxn1vx437g3";
+  buildDepends = [ mtl ];
+  meta = {
+    homepage = "http://web.engr.oregonstate.edu/~erwig/fgl/haskell";
+    description = "Martin Erwig's Functional Graph Library";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/development/libraries/haskell/fgl/5.5.0.1.nix b/pkgs/development/libraries/haskell/fgl/5.5.0.1.nix
new file mode 100644
index 00000000000..b9a582fd7b5
--- /dev/null
+++ b/pkgs/development/libraries/haskell/fgl/5.5.0.1.nix
@@ -0,0 +1,15 @@
+{ cabal, mtl }:
+
+cabal.mkDerivation (self: {
+  pname = "fgl";
+  version = "5.5.0.1";
+  sha256 = "0qw70f5hfrxmrx49wx8vk2f5cam7jbpb20mp4i0ybcwdld5ncqda";
+  buildDepends = [ mtl ];
+  meta = {
+    homepage = "http://web.engr.oregonstate.edu/~erwig/fgl/haskell";
+    description = "Martin Erwig's Functional Graph Library";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 22ca42cecea..46719bd4506 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -145,7 +145,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
     attoparsec   = self.attoparsec_0_11_3_0;
     caseInsensitive = self.caseInsensitive_1_2_0_0;
     cgi          = self.cgi_3001_1_8_5;
-    fgl          = self.fgl_5_4_2_4;
+    fgl          = self.fgl_5_5_0_1;
     GLUT         = self.GLUT_2_5_1_0;
     GLURaw       = self.GLURaw_1_4_0_0;
     haskellSrc   = self.haskellSrc_1_0_1_6;
@@ -1151,7 +1151,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   fgl_5_4_2_2 = callPackage ../development/libraries/haskell/fgl/5.4.2.2.nix {};
   fgl_5_4_2_3 = callPackage ../development/libraries/haskell/fgl/5.4.2.3.nix {};
   fgl_5_4_2_4 = callPackage ../development/libraries/haskell/fgl/5.4.2.4.nix {};
-  fgl = self.fgl_5_4_2_4;
+  fgl_5_5_0_1 = callPackage ../development/libraries/haskell/fgl/5.5.0.1.nix {};
+  fgl = self.fgl_5_5_0_1;
 
   fglVisualize = callPackage ../development/libraries/haskell/fgl-visualize {};