diff --git a/pkgs/tools/misc/heatseeker/default.nix b/pkgs/tools/misc/heatseeker/default.nix
index 0d85554c347d..9183f1290ea8 100644
--- a/pkgs/tools/misc/heatseeker/default.nix
+++ b/pkgs/tools/misc/heatseeker/default.nix
@@ -4,17 +4,17 @@ with rustPlatform;
 
 buildRustPackage rec {
   name = "heatseeker-${version}";
-  version = "1.3.0";
+  version = "1.4.0";
 
-  depsSha256 = "03jap7myf85xgx9270sws8x57nl04a1wx8szrk9qx24s9vnnjcnh";
+  depsSha256 = "1acimdkl6ra9jlyiydzzd6ccdygr5is2xf9gw8i45xzh0xnsq226";
 
   src = fetchFromGitHub {
     owner = "rschmitt";
     repo = "heatseeker";
     rev = "v${version}";
-    sha256 = "1xdvwgmh9lwv82hv1qg82bjv2iplnvva6lzbg7dyhbszhv7rhkbl";
+    sha256 = "1v2p6l4bdmvn9jggb12p0j5ajjvnbcdjsiavlcqiijz2w8wcdgs8";
   };
-  
+
   # some tests require a tty, this variable turns them off for Travis CI,
   # which we can also make use of
   TRAVIS= "true";