diff --git a/pkgs/tools/system/thinkfan/default.nix b/pkgs/tools/system/thinkfan/default.nix
index 97c61d2da0e7..a53ef4ae9f85 100644
--- a/pkgs/tools/system/thinkfan/default.nix
+++ b/pkgs/tools/system/thinkfan/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "thinkfan";
-  version = "1.2.1";
+  version = "1.2.2";
 
   src = fetchFromGitHub {
     owner = "vmatare";
     repo = "thinkfan";
     rev = version;
-    sha256 = "18vgm5w5pjnpipa34j4x87q10695w2jnqwvc2f027afy7mnzw7kz";
+    sha256 = "01l1pnj1cgy3dwgyys2s5iqzyv6kk47vlpy09qjafk8py21ijik3";
   };
 
   postPatch = ''