diff --git a/nix/overlays/iosevka/privateBuildPlan.nix b/nix/overlays/iosevka/privateBuildPlan.nix
index d4677f26..b5f31c9c 100644
--- a/nix/overlays/iosevka/privateBuildPlan.nix
+++ b/nix/overlays/iosevka/privateBuildPlan.nix
@@ -26,10 +26,10 @@
   };
 
   weights = {
-    Regular.shape = 400;
+    Regular.shape = 420;
     Regular.menu = 400;
     Regular.css = 400;
-    Medium.shape = 500;
+    Medium.shape = 550;
     Medium.menu = 500;
     Medium.css = 500;
     Bold.shape = 700;