diff --git a/pkgs/tools/security/deepsea/default.nix b/pkgs/tools/security/deepsea/default.nix
new file mode 100644
index 000000000000..5cd7ed48aa34
--- /dev/null
+++ b/pkgs/tools/security/deepsea/default.nix
@@ -0,0 +1,30 @@
+{ buildGoModule
+, fetchFromGitHub
+, stdenv
+}:
+
+buildGoModule rec {
+  pname = "deepsea";
+  version = "0.9";
+
+  src = fetchFromGitHub {
+    owner = "dsnezhkov";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "02s03sha8vwp7dsaw3z446pskhb6wmy0hyj0mhpbx58sf147rkig";
+  };
+
+  vendorSha256 = "0vpkzykfg1rq4qi1v5lsa0drpil9i6ccfw96k48ppi9hiwzpq94w";
+
+  meta = with stdenv.lib; {
+    description = "Phishing tool for red teams and pentesters";
+    longDescription = ''
+      DeepSea phishing gear aims to help RTOs and pentesters with the
+      delivery of opsec-tight, flexible email phishing campaigns carried
+      out on the outside as well as on the inside of a perimeter.
+    '';
+    homepage = "https://github.com/dsnezhkov/deepsea";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d56aabd564e0..d882df5f4c5f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -27032,6 +27032,8 @@ in
 
   dcm2niix = callPackage ../applications/science/biology/dcm2niix { };
 
+  deepsea = callPackage ../tools/security/deepsea { };
+
   deeptools = callPackage ../applications/science/biology/deeptools { python = python3; };
 
   delly = callPackage ../applications/science/biology/delly { };