diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-12  Facundo Domínguez <facundo.dominguez@tweag.io> 0.5.3
+
+* Relax upper bound of hashable.
+
 2017-07-25  Facundo Domínguez <facundo.dominguez@tweag.io> 0.5.2
 
 * prependLength checks for overflow (5608f0f)
diff --git a/network-transport.cabal b/network-transport.cabal
--- a/network-transport.cabal
+++ b/network-transport.cabal
@@ -1,5 +1,5 @@
 Name:          network-transport
-Version:       0.5.2
+Version:       0.5.3
 Cabal-Version: >=1.6
 Build-Type:    Simple
 License:       BSD3
@@ -67,7 +67,7 @@
   Build-Depends:   base >= 4.6 && < 5,
                    binary >= 0.5 && < 0.9,
                    bytestring >= 0.9 && < 0.11,
-                   hashable >= 1.2.0.5 && < 1.3,
+                   hashable >= 1.2.0.5 && < 1.4,
                    transformers >= 0.2 && < 0.6,
                    deepseq >= 1.0 && < 1.5
   if impl(ghc < 7.6)