diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+0.15.0.1
+--------
+* Discard version restriction on `hashable` library.
+
 0.15.0.0
 --------
 * Overall internal components refactoring.
diff --git a/eventstore.cabal b/eventstore.cabal
--- a/eventstore.cabal
+++ b/eventstore.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           eventstore
-version:        0.15.0.0
+version:        0.15.0.1
 synopsis:       EventStore TCP Client
 description:    EventStore TCP Client <http://geteventstore.com>
 category:       Database
@@ -47,7 +47,7 @@
     , text
     , bytestring
     , semigroups
-    , hashable ==1.2.6.0
+    , hashable
     , containers
     , unordered-containers
     , stm-chans
@@ -150,7 +150,7 @@
     , text
     , bytestring
     , semigroups
-    , hashable ==1.2.6.0
+    , hashable
     , containers
     , unordered-containers
     , stm-chans
