diff --git a/pkgs/tools/security/b3sum/default.nix b/pkgs/by-name/b3/b3sum/package.nix
similarity index 51%
rename from pkgs/tools/security/b3sum/default.nix
rename to pkgs/by-name/b3/b3sum/package.nix
index 98cdf4cd8cd5..1a2580bd1d9f 100644
--- a/pkgs/tools/security/b3sum/default.nix
+++ b/pkgs/by-name/b3/b3sum/package.nix
@@ -1,22 +1,32 @@
-{ lib, fetchCrate, rustPlatform }:
+{
+  lib,
+  fetchCrate,
+  rustPlatform,
+}:
 
 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";
     mainProgram = "b3sum";
     homepage = "https://github.com/BLAKE3-team/BLAKE3/";
-    maintainers = with lib.maintainers; [ fpletz ivan ];
-    license = with lib.licenses; [ cc0 asl20 ];
+    maintainers = with lib.maintainers; [
+      fpletz
+      ivan
+    ];
+    license = with lib.licenses; [
+      cc0
+      asl20
+    ];
     changelog = "https://github.com/BLAKE3-team/BLAKE3/releases/tag/${version}";
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9acd42a75a8f..52d435fed8b7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4121,8 +4121,6 @@ with pkgs;
     libssl = openssl;
   };
 
-  b3sum = callPackage ../tools/security/b3sum { };
-
   backblaze-b2 = callPackage ../development/tools/backblaze-b2 { };
 
   bandwhich = callPackage ../tools/networking/bandwhich {