diff --git a/libraries/liblmdb/CHANGES b/libraries/liblmdb/CHANGES
index bcdca6b..b1e9fa8 100644
--- a/libraries/liblmdb/CHANGES
+++ b/libraries/liblmdb/CHANGES
@@ -1,6 +1,6 @@
 LMDB 0.9 Change Log
 
-LMDB 0.9.23 Engineering
+LMDB 0.9.23 Release (2018/12/19)
 	ITS#8756 Fix loose pages in dirty list
 	ITS#8831 Fix mdb_load flag init
 	ITS#8844 Fix mdb_env_close in forked process
diff --git a/libraries/liblmdb/lmdb.h b/libraries/liblmdb/lmdb.h
index baa5cec..fdf0d68 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	22
+#define MDB_VERSION_PATCH	23
 
 /** 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	"March 21, 2018"
+#define MDB_VERSION_DATE	"December 19, 2018"
 
 /** A stringifier for the version info */
 #define MDB_VERSTR(a,b,c,d)	"LMDB " #a "." #b "." #c ": (" d ")"