diff --git a/pkgs/by-name/un/unison-fsmonitor/package.nix b/pkgs/by-name/un/unison-fsmonitor/package.nix
index 6cc8913d3982..b351071b6d30 100644
--- a/pkgs/by-name/un/unison-fsmonitor/package.nix
+++ b/pkgs/by-name/un/unison-fsmonitor/package.nix
@@ -7,15 +7,15 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "unison-fsmonitor";
-  version = "0.3.3";
+  version = "0.3.4";
 
   src = fetchFromGitHub {
     owner = "autozimu";
     repo = "unison-fsmonitor";
     rev = "v${version}";
-    hash = "sha256-JA0WcHHDNuQOal/Zy3yDb+O3acZN3rVX1hh0rOtRR+8=";
+    hash = "sha256-U/KMKYqYVSeYBmW+PnXtvjnyUTjTJgtpwy1GPefqJOk=";
   };
-  cargoHash = "sha256-aqAa0F1NSJI1nckTjG5C7VLxaLjJgD+9yK/IpclSMqs=";
+  cargoHash = "sha256-eKRayFU3xq2uo6YeFqcTPLInZYlympH6Z01vOCVsVqQ=";
 
   buildInputs = lib.optionals stdenv.isDarwin [
     darwin.apple_sdk.frameworks.CoreServices