diff --git a/doctest-extract.cabal b/doctest-extract.cabal
--- a/doctest-extract.cabal
+++ b/doctest-extract.cabal
@@ -1,6 +1,6 @@
 Cabal-Version:  2.2
 Name:           doctest-extract
-Version:        0.1
+Version:        0.1.0.1
 License:        BSD-3-Clause
 License-File:   LICENSE
 Author:         Henning Thielemann <haskell@henning-thielemann.de>
@@ -65,7 +65,7 @@
     must be all-quantified using lambda.
     (Could be even seen as an advantage for the reader of your doctests.)
   .
-  * No support for a single-line 'let' as an example.
+  * No support for a single-line 'let' (as in a 'do'-block) as an example.
   .
   * The Test module does not automatically import modules
     that the tested module imports.
@@ -73,11 +73,16 @@
   .
   * You need tools additional to @Cabal@, e.g. @make@ and a @Makefile@,
     in order generate test modules.
+  .
+  See packages @utility-ht@, @apportionment@ or @pathtype@ for a package
+  with a working setup of @doctest-extract@.
+  .
+  Alternatives: @cabal-docspec@, @cabal-doctest@
 Tested-With:    GHC==7.4.2, GHC==8.6.5
 Build-Type:     Simple
 
 Source-Repository this
-  Tag:         0.1
+  Tag:         0.1.0.1
   Type:        darcs
   Location:    https://hub.darcs.net/thielema/doctest-extract/
 
@@ -88,11 +93,11 @@
 Executable doctest-extract-0.1
   Build-Depends:
     doctest-lib >=0.0 && <0.2,
-    optparse-applicative >=0.11 && <0.17,
+    optparse-applicative >=0.11 && <0.19,
     pathtype >=0.8 && <0.9,
-    transformers >=0.5.6 && <0.6,
+    transformers >=0.5.6 && <0.7,
     non-empty >=0.3.3 && <0.4,
-    semigroups >=0.18.5 && <0.20,
+    semigroups >=0.18.5 && <0.21,
     utility-ht >=0.0.16 && <0.1,
     base >=4.5 && <5