diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012-2016, Renzo Carbonara
+Copyright (c) 2012-2017, Renzo Carbonara
 Copyright (c) 2012, Paolo Capriotti
 
 All rights reserved.
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,8 @@
+# Version 0.5.1.5
+
+* Remove upper bound limits on dependencies other than `base`.
+
+
 # Version 0.5.1.4
 
 * Bump upper bound dependency on `pipes`.
diff --git a/pipes-attoparsec.cabal b/pipes-attoparsec.cabal
--- a/pipes-attoparsec.cabal
+++ b/pipes-attoparsec.cabal
@@ -1,8 +1,8 @@
 name:               pipes-attoparsec
-version:            0.5.1.4
+version:            0.5.1.5
 license:            BSD3
 license-file:       LICENSE
-copyright:          Copyright (c) Renzo Carbonara 2012-2016, Paolo Capriotti 2012
+copyright:          Copyright (c) Renzo Carbonara 2012-2017, Paolo Capriotti 2012
 author:             Renzo Carbonara
 maintainer:         renzocarbonaraλgmail.com
 stability:          Experimental
@@ -28,12 +28,12 @@
   exposed-modules: Pipes.Attoparsec
   build-depends:
       base         (>=4.5      && <5.0)
-    , attoparsec   (>=0.10     && <0.14)
-    , bytestring   (>=0.9.2.1  && <0.11)
-    , pipes        (>=4.1      && <4.3)
-    , pipes-parse  (>=3.0.1    && <3.1)
-    , text         (>=0.11.2.0 && <1.3)
-    , transformers (>=0.2      && <0.6)
+    , attoparsec   (>=0.10)
+    , bytestring   (>=0.9.2.1)
+    , pipes        (>=4.1)
+    , pipes-parse  (>=3.0.1)
+    , text         (>=0.11.2.0)
+    , transformers (>=0.2)
   ghc-options: -Wall -O2
 
 test-suite tests