diff --git a/lagarto-ox.nix b/lagarto-ox.nix
index d55b1f6..fda6afb 100644
--- a/lagarto-ox.nix
+++ b/lagarto-ox.nix
@@ -205,7 +205,7 @@
     } "dtc -O dtb -o $out $dtsFile";
 
     #bitstream = "${final.bitstreams}/lagarto-3-ox/gold.bit";
-    bitstream = "${final.bitstreams}/lagarto-3-ox/ox_u55c_a234c132_two_uarts.bit";
+    bitstream = "${final.bitstreams}/lagarto-3-ox/ox_u55c_f6b4a076_fix_delegation.bit";
 
     bootrom = "${final.bitstreams}/lagarto-3-ox/large_bootrom.bin";
 
diff --git a/overlay.nix b/overlay.nix
index a3266f0..64ad58f 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -71,7 +71,7 @@ final: prev:
 
   bitstreams = builtins.fetchGit {
     url = "git@bscpm03.bsc.es:rarias/bitstreams.git";
-    rev = "ad901b0c21ffbdb310ff1dfb269f169f6ac6bde6";
+    rev = "d02b4805002d43519a69d17d19488c065f3574f9";
   };
 
   # Baremetal tests for standalone FPGA