diff --git a/README.md b/README.md
index dfb0ace..e58b032 100644
--- a/README.md
+++ b/README.md
@@ -225,6 +225,10 @@ error_logger:info_msg("New privilege level is ~p.~n", [NewPrivilege]),
 History
 -------
 
+### Master (4.1.1)
+
+Currently no difference to latest tag.
+
 ### Version 4.1.0
 
 * Enhance performance of session lookups (thanks to @IslandUsurper)
diff --git a/src/eipmi.app.src b/src/eipmi.app.src
index dd31d22..a29b863 100644
--- a/src/eipmi.app.src
+++ b/src/eipmi.app.src
@@ -15,7 +15,7 @@
 %%%=============================================================================
 {application, eipmi, [
     {description, "A native Erlang IMPI library."},
-    {vsn, "4.1.0"},
+    {vsn, "4.1.1"},
     {registered, [eipmi]},
     {applications, [kernel, stdlib, sasl, crypto, snmp, md2]},
     {mod, {eipmi, []}},