diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 0da79cdd793..3e43cbe330f 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1547,7 +1547,7 @@ self: super: {
 
   # 2020-12-05: http-client is fixed on too old version
   essence-of-live-coding-warp = super.essence-of-live-coding-warp.override {
-    http-client = self.http-client_0_7_3;
+    http-client = self.http-client_0_7_4;
   };
 
   # 2020-12-06: Restrictive upper bounds w.r.t. pandoc-types (https://github.com/owickstrom/pandoc-include-code/issues/27)