diff --git a/.travis.yml b/.travis.yml
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,9 +34,9 @@
     - env: CABALVER=1.24 GHCVER=8.0.2
       compiler: ": #GHC 8.0.2"
       addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=1.24 GHCVER=8.2.1
+    - env: CABALVER=2.0 GHCVER=8.2.1
       compiler: ": #GHC 8.2.1"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-8.2.1,hlint], sources: [hvr-ghc]}}
+      addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.1,hlint], sources: [hvr-ghc]}}
 
 before_install:
  - unset CC
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+0.12.6
+------
+* Add a library dependency in the `doctests` test suite
+
 0.12.5
 ------
 * Allow building with GHC 8.2
diff --git a/parsers.cabal b/parsers.cabal
--- a/parsers.cabal
+++ b/parsers.cabal
@@ -1,6 +1,6 @@
 name:          parsers
 category:      Text, Parsing
-version:       0.12.5
+version:       0.12.6
 license:       BSD3
 cabal-version: >= 1.10
 license-file:  LICENSE
@@ -79,6 +79,7 @@
     directory >= 1.0,
     doctest >= 0.9.1,
     filepath,
+    parsers,
     QuickCheck,
     quickcheck-instances
   ghc-options: -Wall -threaded