diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Revision history for wikicfp-scraper
 
+## 0.1.0.12  -- 2021-03-23
+
+* Confirmed test with `attoparsec-0.14.1`.
+
+
 ## 0.1.0.11  -- 2019-04-21
 
 * Confirmed test with `time-1.9`.
diff --git a/wikicfp-scraper.cabal b/wikicfp-scraper.cabal
--- a/wikicfp-scraper.cabal
+++ b/wikicfp-scraper.cabal
@@ -1,5 +1,5 @@
 name:                   wikicfp-scraper
-version:                0.1.0.11
+version:                0.1.0.12
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -28,7 +28,7 @@
                         text >=0.11.3.1 && <1.3,
                         scalpel-core >=0.5.0 && <0.7,
                         time >=1.4.0 && <1.10,
-                        attoparsec >=0.10.4 && <0.14
+                        attoparsec >=0.10.4 && <0.15
 
 -- executable wikicfp-scraper
 --   default-language:     Haskell2010
@@ -47,6 +47,7 @@
   main-is:              Spec.hs
   default-extensions:   OverloadedStrings
   other-modules:        Web.WikiCFP.ScraperSpec
+  build-tool-depends:   hspec-discover:hspec-discover
   build-depends:        base, wikicfp-scraper,
                         bytestring, time,
                         hspec >=2.1.5,