diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ba55fe01ec16..5882a0e7719a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18628,7 +18628,13 @@ with pkgs;
   c-blosc = callPackage ../development/libraries/c-blosc { };
 
   # justStaticExecutables is needed due to https://github.com/NixOS/nix/issues/2990
-  cachix = haskell.lib.compose.justStaticExecutables haskellPackages.cachix;
+  cachix = (haskell.lib.compose.justStaticExecutables haskellPackages.cachix).overrideAttrs(o: {
+    passthru = o.passthru or {} // {
+      tests = o.passthru.tests or {} // {
+        inherit hci;
+      };
+    };
+  });
 
   cubeb = callPackage ../development/libraries/audio/cubeb { };