diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,2 +1,5 @@
+- 0.1.0.1
+    * Loosen `attoparsec` dependency
+
 - 0.1.0.0
     * Initial release
diff --git a/profiteur.cabal b/profiteur.cabal
--- a/profiteur.cabal
+++ b/profiteur.cabal
@@ -1,5 +1,5 @@
 Name:                profiteur
-Version:             0.1.0.0
+Version:             0.1.0.1
 Synopsis:            Treemap visualiser for GHC prof files
 Description:         Treemap visualiser for GHC prof files
 Homepage:            http://github.com/jaspervdj/profiteur
@@ -43,9 +43,9 @@
   Build-depends:
     base                 >= 4    && < 5,
     aeson                >= 0.6  && < 0.8,
-    attoparsec           >= 0.11 && < 0.12,
+    attoparsec           >= 0.10 && < 0.12,
     bytestring           >= 0.9  && < 0.11,
-    text                 >= 0.11  && < 1.1,
+    text                 >= 0.11 && < 1.1,
     filepath             >= 1.3  && < 1.4,
     unordered-containers >= 0.2  && < 0.3,
     vector               >= 0.10 && < 0.11