diff --git a/pkgs/by-name/th/thin-provisioning-tools/package.nix b/pkgs/by-name/th/thin-provisioning-tools/package.nix
index 947d05a75e06..f16278740884 100644
--- a/pkgs/by-name/th/thin-provisioning-tools/package.nix
+++ b/pkgs/by-name/th/thin-provisioning-tools/package.nix
@@ -9,13 +9,13 @@
 }:
 rustPlatform.buildRustPackage rec {
   pname = "thin-provisioning-tools";
-  version = "1.2.0";
+  version = "1.2.1";
 
   src = fetchFromGitHub {
     owner = "jthornber";
     repo = "thin-provisioning-tools";
     rev = "v${version}";
-    hash = "sha256-gjsURDzA4LRTTgKZPzzTcvTdi1mXx4FkWmyoPcpdPfU=";
+    hash = "sha256-cDXjJpYCcOUtEftMBUTg4fbr4E7SxpDatZunba4JpH8=";
   };
 
   strictDeps = true;
@@ -32,7 +32,7 @@ rustPlatform.buildRustPackage rec {
     udev
   ];
 
-  cargoHash = "sha256-H5GRAZpFl2t/bH8THyPkZq5ptS70XkhSCxQ6ko+0RC8=";
+  cargoHash = "sha256-6KY+p2IhBzy4yrhVDswdah815oSsTeCcWmZH8wUQIf4=";
 
   passthru.tests = {
     inherit (nixosTests.lvm2) lvm-thinpool-linux-latest;