diff --git a/pkgs/development/libraries/haskell/case-insensitive/1.1.nix b/pkgs/development/libraries/haskell/case-insensitive/1.1.nix
new file mode 100644
index 000000000000..fb3a9d271011
--- /dev/null
+++ b/pkgs/development/libraries/haskell/case-insensitive/1.1.nix
@@ -0,0 +1,17 @@
+{ cabal, deepseq, hashable, HUnit, testFramework
+, testFrameworkHunit, text
+}:
+
+cabal.mkDerivation (self: {
+  pname = "case-insensitive";
+  version = "1.1";
+  sha256 = "1likcqdlhbbk78s887n5g9a4jjxxyh46hj4wc7l7snf6f9ygd5lj";
+  buildDepends = [ deepseq hashable text ];
+  testDepends = [ HUnit testFramework testFrameworkHunit text ];
+  meta = {
+    homepage = "https://github.com/basvandijk/case-insensitive";
+    description = "Case insensitive string comparison";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index d5a4863f3643..3a62af9bf3c1 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -143,7 +143,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
     inherit (self) cabal ghc;
     async        = self.async_2_0_1_4;
     attoparsec   = self.attoparsec_0_10_4_0;
-    caseInsensitive = self.caseInsensitive_1_0_0_1;
+    caseInsensitive = self.caseInsensitive_1_1;
     cgi          = self.cgi_3001_1_7_5;
     fgl          = self.fgl_5_4_2_4;
     GLUT         = self.GLUT_2_4_0_0;
@@ -667,8 +667,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   carray = callPackage ../development/libraries/haskell/carray {};
 
   caseInsensitive_1_0_0_1 = callPackage ../development/libraries/haskell/case-insensitive/1.0.0.1.nix {};
-  caseInsensitive_1_0_0_2 = callPackage ../development/libraries/haskell/case-insensitive/1.0.0.2.nix {};
-  caseInsensitive = self.caseInsensitive_1_0_0_2;
+  caseInsensitive_1_1 = callPackage ../development/libraries/haskell/case-insensitive/1.1.nix {};
+  caseInsensitive = self.caseInsensitive_1_1;
 
   cautiousFile = callPackage ../development/libraries/haskell/cautious-file {};