diff --git a/compulab/ucm-imx95/bsp/ucm-imx95-boot.nix b/compulab/ucm-imx95/bsp/ucm-imx95-boot.nix
index 30087b21..4f30ae55 100644
--- a/compulab/ucm-imx95/bsp/ucm-imx95-boot.nix
+++ b/compulab/ucm-imx95/bsp/ucm-imx95-boot.nix
@@ -14,9 +14,9 @@ let
   src = pkgs.fetchFromGitHub {
     owner = "nxp-imx";
     repo = "imx-mkimage";
-    #tag: lf-6.6.36
-    rev = "4622115cbc037f79039c4522faeced4aabea986b";
-    sha256 = "sha256-2gz0GxlB3jwy8PC6+cP3+MpyUzqE1vDTw8nuxK6vo3g=";
+    #tag: lf-6.6.52-2.2.1
+    rev = "f620fb8ef7a04c8dbed8119880f5eeffe3e69746";
+    sha256 = "sha256-JZlX122uZntCIISI1H3Hw+tnk+N/gBJpFFDaZoY8W3c=";
   };
   shortRev = builtins.substring 0 8 src.rev;
 in
diff --git a/compulab/ucm-imx95/bsp/ucm-imx95-firmware.nix b/compulab/ucm-imx95/bsp/ucm-imx95-firmware.nix
index 84a81f34..f5dd7b51 100644
--- a/compulab/ucm-imx95/bsp/ucm-imx95-firmware.nix
+++ b/compulab/ucm-imx95/bsp/ucm-imx95-firmware.nix
@@ -1,6 +1,6 @@
 {
   pkgs,
-  silicon ? "A0",
+  siliconRev ? "A0",
   ...
 }:
 
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     mkdir -p $out
-    export SILICON=${silicon}
+    export SILICON=${siliconRev}
 
     # M7 firmware
     echo "Copying M7 firmware..."