diff --git a/README.md b/README.md
index 29dbe673..2326a1fe 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,10 @@ There is no specific documentation for this project, but most of the information
 
 ## What's new?
 
+28/04/2018 (v3.4.1):
+
+* Fix invalid IL code that caused an exception on Mono
+
 28/04/2018 (v3.4.0-alpha):
 
 * Remove Histogram and MutableLong
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 954a20a2..d27168f5 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <Version>3.4.0</Version>
+    <Version>3.4.1</Version>
     <LastPortedJavaRevision>a18f8198ab94590f0a5ec7c3378ba87f997ea670</LastPortedJavaRevision>
     <Product>Disruptor</Product>
     <Description>A High Performance Inter-Thread Messaging Library</Description>