diff --git a/pkgs/tools/misc/websocat/default.nix b/pkgs/tools/misc/websocat/default.nix
new file mode 100644
index 000000000000..2e91c5c3b63a
--- /dev/null
+++ b/pkgs/tools/misc/websocat/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, fetchFromGitHub, rustPlatform
+}:
+
+rustPlatform.buildRustPackage rec {
+  name = "websocat-${version}";
+  version = "1.3.0";
+
+  src = fetchFromGitHub {
+    owner  = "vi";
+    repo   = "websocat";
+    rev    = "v${version}";
+    sha256 = "1gf2snr12vnx2mhsrwkb5274r1pvdrf8m3bybrqbh8s9wd83nrh6";
+  };
+
+  cargoSha256 = "0vkb3jmyb3zg3xiig5vlxhh74m27rvqbkgrwdqzprifn9vcj17ir";
+
+  meta = with stdenv.lib; {
+    description = "Command-line client for WebSockets (like netcat/socat)";
+    homepage    = https://github.com/vi/websocat;
+    license     = with licenses; [ mit ];
+    maintainers = [ maintainers.thoughtpolice ];
+    platforms   = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f0cf3c6b16c0..30f875dd6925 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22463,6 +22463,8 @@ in
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
+  websocat = callPackage ../tools/misc/websocat { };
+
   epkowa = callPackage ../misc/drivers/epkowa { };
 
   idsk = callPackage ../tools/filesystems/idsk { };