diff --git a/pkgs/development/tools/gendef/default.nix b/pkgs/development/tools/gendef/default.nix
new file mode 100644
index 000000000000..9b2418486f17
--- /dev/null
+++ b/pkgs/development/tools/gendef/default.nix
@@ -0,0 +1,22 @@
+{ fetchgit, lib, stdenv }:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "gendef";
+  version = "11.0.1";
+
+  src = fetchgit {
+    url = "https://git.code.sf.net/p/mingw-w64/mingw-w64.git";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-0vbAHSN+uwxoXXZtbuycP67PxjcB8Ftxd/Oij1gqE3Y=";
+  };
+
+  sourceRoot = "mingw-w64/mingw-w64-tools/gendef";
+
+  meta = {
+    description = "A tool which generate def files from DLLs";
+    homepage = "https://sourceforge.net/p/mingw-w64/wiki2/gendef/";
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ hughobrien ];
+    platforms = lib.platforms.linux;
+  };
+})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 91e23ae466df..7b2f78ea8cde 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -589,6 +589,8 @@ with pkgs;
 
   functiontrace-server = callPackage ../development/tools/functiontrace-server { };
 
+  gendef = callPackage ../development/tools/gendef { };
+
   glade = callPackage ../development/tools/glade { };
 
   goda = callPackage ../development/tools/goda { };