diff --git a/pkgs/by-name/im/imapdedup/package.nix b/pkgs/by-name/im/imapdedup/package.nix
new file mode 100644
index 000000000000..03dc0fdc78d4
--- /dev/null
+++ b/pkgs/by-name/im/imapdedup/package.nix
@@ -0,0 +1,31 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+}:
+python3Packages.buildPythonApplication rec {
+  pname = "imapdedup";
+  version = "1.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "quentinsf";
+    repo = "IMAPdedup";
+    rev = "refs/tags/${version}";
+    hash = "sha256-s49nnMjX1beZKTrlcjzp0nESIVRb/LZDycpnzz8fG+o=";
+  };
+
+  build-system = with python3Packages; [ hatchling ];
+
+  doCheck = false; # no tests
+
+  pythonImportsCheck = [ "imapdedup" ];
+
+  meta = {
+    description = "Duplicate email message remover";
+    homepage = "https://github.com/quentinsf/IMAPdedup";
+    maintainers = with lib.maintainers; [ sigmanificient ];
+    license = with lib.licenses; [ gpl2Only ];
+    mainProgram = "imapdedup";
+  };
+}