diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 9a66b07d4fd7..f019567f5f2a 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1080,10 +1080,10 @@ self: super: {
 
   # Fix build for latest versions of servant and servant-client.
   servant_0_9_1_1 = super.servant_0_9_1_1.overrideScope (self: super: {
-    http-api-data = self.http-api-data_0_3_3;
+    http-api-data = self.http-api-data_0_3_4;
   });
   servant-client_0_9_1_1 = super.servant-client_0_9_1_1.overrideScope (self: super: {
-    http-api-data = self.http-api-data_0_3_3;
+    http-api-data = self.http-api-data_0_3_4;
     servant-server = self.servant-server_0_9_1_1;
     servant = self.servant_0_9_1_1;
   });