diff --git a/modules/flake-parts/setups/home-manager.nix b/modules/flake-parts/setups/home-manager.nix
index b90472fb..789a1a4a 100644
--- a/modules/flake-parts/setups/home-manager.nix
+++ b/modules/flake-parts/setups/home-manager.nix
@@ -283,6 +283,11 @@ in {
                   # setups are already done so...
                   home-manager.useUserPackages = lib.mkDefault true;
                   home-manager.useGlobalPkgs = lib.mkDefault true;
+
+                  # !!! Welp, this is basically incomplete since we also have
+                  # to consider user-specific specialArgs which is not set.
+                  home-manager.extraSpecialArgs =
+                    partsConfig.setups.home-manager.sharedSpecialArgs;
                 })
 
                 (lib.mkIf hasHomeManagerUsers ({ lib, pkgs, ... }: {
diff --git a/modules/flake-parts/setups/wrapper-manager.nix b/modules/flake-parts/setups/wrapper-manager.nix
index 74f46cef..d70181d2 100644
--- a/modules/flake-parts/setups/wrapper-manager.nix
+++ b/modules/flake-parts/setups/wrapper-manager.nix
@@ -138,6 +138,12 @@ in {
             modules =
               [
                 inputs.${config.wrapper-manager.branch}.nixosModules.default
+
+                {
+                  # Welp, it's not complete since each package will not its
+                  # package-specific specialArgs.
+                  wrapper-manager.extraSpecialArgs = cfg.specialArgs;
+                }
               ];
           };
         })
@@ -153,6 +159,12 @@ in {
             modules =
               [
                 inputs.${config.wrapper-manager.branch}.homeModules.default
+
+                {
+                  # Welp, it's not complete since each package will not its
+                  # package-specific specialArgs.
+                  wrapper-manager.extraSpecialArgs = cfg.specialArgs;
+                }
               ];
           };
         })