diff --git a/pkgs/tools/security/pretender/default.nix b/pkgs/tools/security/pretender/default.nix
new file mode 100644
index 00000000000..d665b72a749
--- /dev/null
+++ b/pkgs/tools/security/pretender/default.nix
@@ -0,0 +1,28 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+
+buildGoModule rec {
+  pname = "pretender";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "RedTeamPentesting";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-JTNmebubaJQMtZm1ZGZote1qXjjiMcxSGQYPgLZXd0o=";
+  };
+
+  vendorSha256 = "sha256-CpMrxAZ+7Dc1UgH+AnuGh+gpBZpLshck/1+9WJNssEk=";
+
+  # Tests require network access
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Tool for handling machine-in-the-middle tasks";
+    homepage = "https://github.com/RedTeamPentesting/pretender";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 181ae50c839..a010ca6fa5d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10008,6 +10008,8 @@ with pkgs;
 
   pre-commit = callPackage ../tools/misc/pre-commit { };
 
+  pretender = callPackage ../tools/security/pretender { };
+
   pretty-simple = callPackage ../development/tools/pretty-simple { };
 
   prettyping = callPackage ../tools/networking/prettyping { };