diff --git a/mwclient/RELEASE-NOTES.txt b/mwclient/RELEASE-NOTES.txt
index d6716a410224d2cdc56bdf5325e4777716787126..7077cc42db4f781c0ca4ab32bfd7a37569c6192e 100644
--- a/mwclient/RELEASE-NOTES.txt
+++ b/mwclient/RELEASE-NOTES.txt
@@ -1,6 +1,9 @@
 RELEASE NOTES FOR MWCLIENT
 
-This is mwclient 0.6.5. The following are the release notes for this version.
+This is mwclient 0.6.6. The following are the release notes for this version.
+
+== Changes in version 0.6.6 ==
+No changes yet.
 
 == Changes in version 0.6.5 ==
 * Explicitly convert the Content-Length header to str, avoiding a TypeError