diff --git a/pkgs/tools/security/b3sum/default.nix b/pkgs/tools/security/b3sum/default.nix
index 98cdf4cd8cd5..2f47288b4f7b 100644
--- a/pkgs/tools/security/b3sum/default.nix
+++ b/pkgs/tools/security/b3sum/default.nix
@@ -2,14 +2,14 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "b3sum";
-  version = "1.5.2";
+  version = "1.5.3";
 
   src = fetchCrate {
     inherit version pname;
-    hash = "sha256-PH7dP7Ytdgy28d2KLp8H3FCt7eFM4dchyEYqN1Yv7JI=";
+    hash = "sha256-wyr5LuFn3yRPJCyNfLT1Vgn6Sz1U4VNo0nppJrqE7IY=";
   };
 
-  cargoHash = "sha256-ex029iu7VZ3VtcGIqqX4ztn2ZXo0+yDv1JM9sz8vcJs=";
+  cargoHash = "sha256-v2sQKZ0DG08MDLho8fQ8O7fiNu+kxZB1sPNMgF5W2HA=";
 
   meta = {
     description = "BLAKE3 cryptographic hash function";