diff --git a/overlay.nix b/overlay.nix
index 205501cdbba667258917ae84587a93eaa3bc75ed..df913be878d43e75fa521a2e22494cd01ecfb8ae 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -323,6 +323,8 @@ final: prev: with pkgs.haskell.lib; {
 
   servant-multipart = doJailbreak (prev.callHackage "servant-multipart" "0.12.1" { });
 
+  servant-multipart-api = doJailbreak (prev.callHackage "servant-multipart-api" "0.12.1" { });
+
   serialise = doJailbreak (prev.callCabal2nix "serialise" (inputs.cborg + /serialise) { });
 
   shake = dontCheck (prev.callHackage "shake" "0.19.6" { });