diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for configurator-pg
 
+## 0.1.0.6 -- 2020-03-08
+
+* Fix GHC 7.10 build by depending on package fail.
+
 ## 0.1.0.5 -- 2020-03-07
 
 * Provide a MonadFail instance for Parser.
diff --git a/configurator-pg.cabal b/configurator-pg.cabal
--- a/configurator-pg.cabal
+++ b/configurator-pg.cabal
@@ -1,6 +1,6 @@
 cabal-version:       1.12
 name:                configurator-pg
-version:             0.1.0.5
+version:             0.1.0.6
 synopsis:            Reduced parser for configurator-ng config files
 description:
   This module provides a simplified and updated interface to the
@@ -39,7 +39,8 @@
                      , scientific           >= 0.3.4.9 && < 0.4
                      , text                 >= 1.2.2.2 && < 1.3
   if impl(ghc < 8)
-    build-depends:     transformers         >= 0.4.2 && < 0.5
+    build-depends:     fail                 >= 4.9 && < 5
+                     , transformers         >= 0.4.2 && < 0.5
   hs-source-dirs:      src
   default-language:    Haskell2010
   default-extensions:  OverloadedStrings, NoImplicitPrelude