diff --git a/include/mrnet/Types.h b/include/mrnet/Types.h
index c8bc5035..f513e822 100644
--- a/include/mrnet/Types.h
+++ b/include/mrnet/Types.h
@@ -23,7 +23,7 @@
 #ifndef MRNET_VERSION_MAJOR
 # define MRNET_VERSION_MAJOR 5
 # define MRNET_VERSION_MINOR 0
-# define MRNET_VERSION_REV   0
+# define MRNET_VERSION_REV   1
 #endif
 
 namespace MRN
diff --git a/include/mrnet_lightweight/Types.h b/include/mrnet_lightweight/Types.h
index a79be30b..17f6457d 100644
--- a/include/mrnet_lightweight/Types.h
+++ b/include/mrnet_lightweight/Types.h
@@ -30,7 +30,7 @@ typedef uint32_t Rank;
 #ifndef MRNET_VERSION_MAJOR
 #define MRNET_VERSION_MAJOR 5
 #define MRNET_VERSION_MINOR 0
-#define MRNET_VERSION_REV   0
+#define MRNET_VERSION_REV   1
 #endif
 void get_Version(int* major,
                  int* minor,