diff --git a/libraries/liblmdb/CHANGES b/libraries/liblmdb/CHANGES
index c2e5ff6..1a31612 100644
--- a/libraries/liblmdb/CHANGES
+++ b/libraries/liblmdb/CHANGES
@@ -1,6 +1,9 @@
 LMDB 0.9 Change Log
 
-LMDB 0.9.20 Release Engineering
+LMDB 0.9.21 Release (2017/06/01)
+	Fix xcursor after cursor_del (ITS#8622)
+
+LMDB 0.9.20 (Withdrawn)
 	Fix mdb_load with escaped plaintext (ITS#8558)
 	Fix mdb_cursor_last / mdb_put interaction (ITS#8557)
 
diff --git a/libraries/liblmdb/lmdb.h b/libraries/liblmdb/lmdb.h
index c444d91..29135b7 100644
--- a/libraries/liblmdb/lmdb.h
+++ b/libraries/liblmdb/lmdb.h
@@ -200,7 +200,7 @@ typedef int mdb_filehandle_t;
 /** Library minor version */
 #define MDB_VERSION_MINOR	9
 /** Library patch version */
-#define MDB_VERSION_PATCH	20
+#define MDB_VERSION_PATCH	21
 
 /** Combine args a,b,c into a single integer for easy version comparisons */
 #define MDB_VERINT(a,b,c)	(((a) << 24) | ((b) << 16) | (c))
@@ -210,7 +210,7 @@ typedef int mdb_filehandle_t;
 	MDB_VERINT(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH)
 
 /** The release date of this library version */
-#define MDB_VERSION_DATE	"January 11, 2017"
+#define MDB_VERSION_DATE	"June 1, 2017"
 
 /** A stringifier for the version info */
 #define MDB_VERSTR(a,b,c,d)	"LMDB " #a "." #b "." #c ": (" d ")"