diff --git a/pkgs/tools/misc/watchexec/default.nix b/pkgs/tools/misc/watchexec/default.nix
new file mode 100644
index 000000000000..2b801bb74a42
--- /dev/null
+++ b/pkgs/tools/misc/watchexec/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, lib, rustPlatform, fetchFromGitHub }:
+
+with rustPlatform;
+
+buildRustPackage rec {
+  name = "watchexec-${version}";
+  version = "1.8.6";
+
+  src = fetchFromGitHub {
+    owner = "mattgreen";
+    repo = "watchexec";
+    rev = "${version}";
+    sha256 = "1jib51dbr6s1iq21inm2xfsjnz1730nyd3af1x977iqivmwdisax";
+  };
+
+  cargoSha256 = "0sm1jvx1y18h7y66ilphsqmkbdxc76xly8y7kxmqwdi4lw54i9vl";
+
+  meta = with stdenv.lib; {
+    description = "Executes commands in response to file modifications";
+    homepage = https://github.com/mattgreen/watchexec;
+    license = with licenses; [ asl20 ];
+    maintainers = [ maintainers.michalrus ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 567dff744ff6..24676f237f0d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5197,6 +5197,8 @@ with pkgs;
 
   wal_e = callPackage ../tools/backup/wal-e { };
 
+  watchexec = callPackage ../tools/misc/watchexec { };
+
   watchman = callPackage ../development/tools/watchman { };
 
   wavefunctioncollapse = callPackage ../tools/graphics/wavefunctioncollapse {};