diff --git a/flake.lock b/flake.lock
index 948ddc5dc..74801619b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -80,11 +80,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1636718632,
-        "narHash": "sha256-MnLHFFT2m1FI/LZIg39yTRhnwAMgCxRgzYZpmmMTy6M=",
+        "lastModified": 1636777462,
+        "narHash": "sha256-8XdQsKNno0HS5h0dxGXXzvpR0rsnTGgOL9Vpi7GdLik=",
         "ref": "master",
-        "rev": "d6b92adf70369a46e15aae7f9213006814219c49",
-        "revCount": 427,
+        "rev": "8ab3ee9cce58861eaf56c0d9b08805ccfcbace01",
+        "revCount": 429,
         "type": "git",
         "url": "https://git.m-labs.hk/M-Labs/nac3.git"
       },