diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,6 +1,23 @@
+{-# LANGUAGE CPP #-}
+
 module Main (main) where
 
+#ifndef MIN_VERSION_cabal_doctest
+#define MIN_VERSION_cabal_doctest(x,y,z) 0
+#endif
+
+#if MIN_VERSION_cabal_doctest(1,0,0)
+
 import Distribution.Extra.Doctest ( defaultMainWithDoctests )
 
 main :: IO ()
 main = defaultMainWithDoctests "doctests"
+
+#else
+
+import Distribution.Simple
+
+main :: IO ()
+main = defaultMain
+
+#endif
diff --git a/hackport.cabal b/hackport.cabal
--- a/hackport.cabal
+++ b/hackport.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name:          hackport
-version:       0.8.2.0
+version:       0.8.2.1
 license:       GPL-3.0-or-later
 license-file:  LICENSE
 author:        Henning Günther, Duncan Coutts, Lennart Kolmodin