diff --git a/SwarselSystems.org b/SwarselSystems.org
index 95e021f..97bb774 100644
--- a/SwarselSystems.org
+++ b/SwarselSystems.org
@@ -493,7 +493,7 @@ In this section I am creating some attributes that define general concepts of my
 
   devShells = lib.swarselsystems.forAllSystems (system:
     let
-      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs = lib.swarselsystems.pkgsFor.${system};
       checks = self.checks.${system};
     in
     {
diff --git a/flake.nix b/flake.nix
index 7d37273..43b32d9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -184,7 +184,7 @@
 
       devShells = lib.swarselsystems.forAllSystems (system:
         let
-          pkgs = nixpkgs.legacyPackages.${system};
+          pkgs = lib.swarselsystems.pkgsFor.${system};
           checks = self.checks.${system};
         in
         {