diff --git a/nix/overlays/iosevka.nix b/nix/overlays/iosevka.nix
index 5e5467c0..6e41d042 100644
--- a/nix/overlays/iosevka.nix
+++ b/nix/overlays/iosevka.nix
@@ -45,10 +45,10 @@ final: prev: rec {
       };
 
       weights = {
-        Regular.shape = 440;
-        Regular.menu = 400;
-        Regular.css = 400;
-        Bold.shape = 680;
+        Regular.shape = 500;
+        Regular.menu = 500;
+        Regular.css = 500;
+        Bold.shape = 700;
         Bold.menu = 700;
         Bold.css = 700;
       };