diff --git a/hosts/hardware/FredOS-Macbook.nix b/hosts/hardware/FredOS-Macbook.nix
index dd96f07..f17f8cd 100644
--- a/hosts/hardware/FredOS-Macbook.nix
+++ b/hosts/hardware/FredOS-Macbook.nix
@@ -60,8 +60,17 @@
     # 2. Commits without cursor flags nulled the cursor plane → cursor
     #    vanished while idle. Only null when actually hidden.
     # Both present upstream as of aquamarine 0.11.0 / main (July 2026).
+    # src pinned to v0.11.0 so channel bumps can't silently move under the
+    # patch; unpin (or re-check upstream) when hyprland requires newer.
     (final: prev: {
       aquamarine = prev.aquamarine.overrideAttrs (old: {
+        version = "0.11.0";
+        src = final.fetchFromGitHub {
+          owner = "hyprwm";
+          repo = "aquamarine";
+          rev = "v0.11.0";
+          hash = "sha256-nGiqEpbQK/tg7Mzyb8kIik9uDcm3cInWDcHRquFAOS4=";
+        };
         patches = (old.patches or [ ]) ++ [ ../../patches/aquamarine-legacy-cursor.patch ];
       });
     })