diff --git a/include/OpenThreads/Version b/include/OpenThreads/Version
index 80e6f718f..39e5608ec 100644
--- a/include/OpenThreads/Version
+++ b/include/OpenThreads/Version
@@ -19,7 +19,7 @@
 extern "C" {
 
 #define OPENTHREADS_MAJOR_VERSION 2
-#define OPENTHREADS_MINOR_VERSION 5
+#define OPENTHREADS_MINOR_VERSION 6
 #define OPENTHREADS_PATCH_VERSION 0
 #define OPENTHREADS_SOVERSION 12