diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for ghc-prof
 
+## v1.4.0.3 - 2017-11-07
+
+* Relax upper version bound for tasty
+
 ## v1.4.0.2 - 2017-07-31
 
 * Relax upper version bound for base
diff --git a/ghc-prof.cabal b/ghc-prof.cabal
--- a/ghc-prof.cabal
+++ b/ghc-prof.cabal
@@ -1,5 +1,5 @@
 name: ghc-prof
-version: 1.4.0.2
+version: 1.4.0.3
 synopsis: Library for parsing GHC time and allocation profiling reports
 description: Library for parsing GHC time and allocation profiling reports
 homepage: https://github.com/maoe/ghc-prof
@@ -68,7 +68,7 @@
     , filepath
     , ghc-prof
     , process
-    , tasty < 0.12
+    , tasty < 0.13
     , tasty-hunit >= 0.9.1 && < 0.10
     , temporary
     , text