diff --git a/pkgs/by-name/in/inferno/package.nix b/pkgs/by-name/in/inferno/package.nix
index 4e7455c55b7a..722f5edcf99e 100644
--- a/pkgs/by-name/in/inferno/package.nix
+++ b/pkgs/by-name/in/inferno/package.nix
@@ -6,18 +6,18 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "inferno";
-  version = "0.12.2";
+  version = "0.12.3";
 
   src = fetchFromGitHub {
     owner = "jonhoo";
     repo = "inferno";
     rev = "v${version}";
-    hash = "sha256-NDxgWHTMyntNtUb/+7bvrR64PNRPcovQd/IIgcLo5JQ=";
+    hash = "sha256-D72rkTnUgLJRHFEDoUwQDLQJAPGyqmxhf6hmNJGUl+U=";
     fetchSubmodules = true;
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-xtWNIbWvYSSuvmq+IYADnpnBHuVeXBolRqc9JrIoiis=";
+  cargoHash = "sha256-Gc31yyspU7RYDQDpVvq+UhMnE7t4HQ65fSGu9eDN6C0=";
 
   # skip flaky tests
   checkFlags = [