diff --git a/README.md b/README.md
index 54403e2..549b96b 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 Add the following to `build.sbt`
 
 ~~~
-libraryDependencies += "com.mesonomics" %% "play-hmac-signatures" % "0.5.5"
+libraryDependencies += "com.mesonomics" %% "play-hmac-signatures" % "0.5.6"
 ~~~
 
 ## Example usage