diff --git a/configure.ac b/configure.ac
index e8a2a3c0b..8891cb1aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 
 m4_define([xcm_major_version], [1])
 m4_define([xcm_minor_version], [6])
-m4_define([xcm_patch_version], [0])
+m4_define([xcm_patch_version], [1])
 m4_define([xcm_version],[xcm_major_version.xcm_minor_version.xcm_patch_version])
 
 # XCM never had a non-backward-compatible API/ABI change for any
diff --git a/include/xcm.h b/include/xcm.h
index 257f6e4fd..a55a187d9 100644
--- a/include/xcm.h
+++ b/include/xcm.h
@@ -27,7 +27,7 @@ extern "C" {
  *
  * @author Mattias Rönnblom
  * @version 0.21 [API]
- * @version 1.6.0 [Implementation]
+ * @version 1.6.1 [Implementation]
  *
  * The low API/ABI version number is a result of all XCM releases
  * being backward compatible, and thus left the major version at 0.