diff --git a/libraries/liblmdb/CHANGES b/libraries/liblmdb/CHANGES
index db89b7e5c7..e2bf743312 100644
--- a/libraries/liblmdb/CHANGES
+++ b/libraries/liblmdb/CHANGES
@@ -1,6 +1,8 @@
 LMDB 0.9 Change Log
 
 LMDB 0.9.24 Engineering
+	ITS#8969 Tweak mdb_page_split
+	ITS#8975 WIN32 fix writemap set_mapsize crash
 
 LMDB 0.9.23 Release (2018/12/19)
 	ITS#8756 Fix loose pages in dirty list
diff --git a/libraries/liblmdb/COPYRIGHT b/libraries/liblmdb/COPYRIGHT
index 10d7b3204f..f076556eb5 100644
--- a/libraries/liblmdb/COPYRIGHT
+++ b/libraries/liblmdb/COPYRIGHT
@@ -1,4 +1,4 @@
-Copyright 2011-2018 Howard Chu, Symas Corp.
+Copyright 2011-2019 Howard Chu, Symas Corp.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/lmdb.h b/libraries/liblmdb/lmdb.h
index 2f25470487..fd4419cb61 100644
--- a/libraries/liblmdb/lmdb.h
+++ b/libraries/liblmdb/lmdb.h
@@ -135,7 +135,7 @@
  *
  *	@author	Howard Chu, Symas Corporation.
  *
- *	@copyright Copyright 2011-2018 Howard Chu, Symas Corp. All rights reserved.
+ *	@copyright Copyright 2011-2019 Howard Chu, Symas Corp. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted only as authorized by the OpenLDAP
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index e12af4482a..1e71e3b635 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -5,7 +5,7 @@
  *	BerkeleyDB API, but much simplified.
  */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2019 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -3991,9 +3991,9 @@ mdb_env_map(MDB_env *env, void *addr)
 		 * and won't map more than the file size.
 		 * Just set the maxsize right now.
 		 */
-		if (SetFilePointer(env->me_fd, sizelo, &sizehi, 0) != (DWORD)sizelo
+		if (!(flags & MDB_WRITEMAP) && (SetFilePointer(env->me_fd, sizelo, &sizehi, 0) != (DWORD)sizelo
 			|| !SetEndOfFile(env->me_fd)
-			|| SetFilePointer(env->me_fd, 0, NULL, 0) != 0)
+			|| SetFilePointer(env->me_fd, 0, NULL, 0) != 0))
 			return ErrCode();
 	}
 
@@ -8749,7 +8749,7 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno
 			 * the split so the new page is emptier than the old page.
 			 * This yields better packing during sequential inserts.
 			 */
-			if (nkeys < 20 || nsize > pmax/16 || newindx >= nkeys) {
+			if (nkeys < 32 || nsize > pmax/16 || newindx >= nkeys) {
 				/* Find split point */
 				psize = 0;
 				if (newindx <= split_indx || newindx >= nkeys) {