diff --git a/pkgs/development/libraries/haskell/hflags/default.nix b/pkgs/development/libraries/haskell/hflags/default.nix
index 89d2f2d518e50..f65520da532d6 100644
--- a/pkgs/development/libraries/haskell/hflags/default.nix
+++ b/pkgs/development/libraries/haskell/hflags/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hflags";
-  version = "0.2";
-  sha256 = "1bz8w1vxqlc2c9iygr2dhy2ck1sd56zjwqzz707nqcmsqqsfmyhb";
+  version = "0.3";
+  sha256 = "113pqdjnxfhkk95969ia393n1jvbbnfljsz42vfapgzvd8f1fci2";
   buildDepends = [ text ];
   meta = {
     homepage = "http://github.com/errge/hflags";
diff --git a/pkgs/development/libraries/haskell/lens-datetime/default.nix b/pkgs/development/libraries/haskell/lens-datetime/default.nix
index b1a472dfc7c10..2de451f4177f0 100644
--- a/pkgs/development/libraries/haskell/lens-datetime/default.nix
+++ b/pkgs/development/libraries/haskell/lens-datetime/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "lens-datetime";
-  version = "0.1.1";
-  sha256 = "0p93211ibq1rkh4aj69xdwan0338k35vb5qyf7zp761nghnk3d47";
+  version = "0.2";
+  sha256 = "0wrs7alz1zfg1xrg04lhz01mrd1gcz2xr8b5mxfdvq94f5m87sdr";
   buildDepends = [ lens time ];
   meta = {
     homepage = "http://github.com/klao/lens-datetime";