diff --git a/libraries/liblmdb/CHANGES b/libraries/liblmdb/CHANGES
index 1a316123ec..98ed23034f 100644
--- a/libraries/liblmdb/CHANGES
+++ b/libraries/liblmdb/CHANGES
@@ -1,5 +1,14 @@
 LMDB 0.9 Change Log
 
+LMDB 0.9.23 Engineering
+
+LMDB 0.9.22 Release (2018/03/22)
+	Fix MDB_DUPSORT alignment bug (ITS#8819)
+	Fix regression with new db from 0.9.19 (ITS#8760)
+	Fix liblmdb to build on Solaris (ITS#8612)
+	Fix delete behavior with DUPSORT DB (ITS#8622)
+	Fix mdb_cursor_get/mdb_cursor_del behavior (ITS#8722)
+
 LMDB 0.9.21 Release (2017/06/01)
 	Fix xcursor after cursor_del (ITS#8622)
 
diff --git a/libraries/liblmdb/COPYRIGHT b/libraries/liblmdb/COPYRIGHT
index 1508a735b6..10d7b3204f 100644
--- a/libraries/liblmdb/COPYRIGHT
+++ b/libraries/liblmdb/COPYRIGHT
@@ -1,4 +1,4 @@
-Copyright 2011-2017 Howard Chu, Symas Corp.
+Copyright 2011-2018 Howard Chu, Symas Corp.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/intro.doc b/libraries/liblmdb/intro.doc
index f7bd8c0d02..64dfcaad84 100644
--- a/libraries/liblmdb/intro.doc
+++ b/libraries/liblmdb/intro.doc
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2017 Howard Chu, Symas Corp.
+ * Copyright 2015-2018 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 29135b7f06..32a278e362 100644
--- a/libraries/liblmdb/lmdb.h
+++ b/libraries/liblmdb/lmdb.h
@@ -135,7 +135,7 @@
  *
  *	@author	Howard Chu, Symas Corporation.
  *
- *	@copyright Copyright 2011-2017 Howard Chu, Symas Corp. All rights reserved.
+ *	@copyright Copyright 2011-2018 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
@@ -200,7 +200,7 @@ typedef int mdb_filehandle_t;
 /** Library minor version */
 #define MDB_VERSION_MINOR	9
 /** Library patch version */
-#define MDB_VERSION_PATCH	21
+#define MDB_VERSION_PATCH	22
 
 /** 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	"June 1, 2017"
+#define MDB_VERSION_DATE	"March 21, 2018"
 
 /** A stringifier for the version info */
 #define MDB_VERSTR(a,b,c,d)	"LMDB " #a "." #b "." #c ": (" d ")"
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index e246ee8cf4..c05f45ca6a 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -5,7 +5,7 @@
  *	BerkeleyDB API, but much simplified.
  */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -142,6 +142,10 @@ typedef SSIZE_T	ssize_t;
 /* Most platforms have posix_memalign, older may only have memalign */
 #define HAVE_MEMALIGN	1
 #include <malloc.h>
+/* On Solaris, we need the POSIX sigwait function */
+#if defined (__sun)
+# define _POSIX_PTHREAD_SEMANTICS	1
+#endif
 #endif
 
 #if !(defined(BYTE_ORDER) || defined(__BYTE_ORDER))
@@ -1251,17 +1255,19 @@ typedef struct MDB_xcursor {
 	unsigned char mx_dbflag;
 } MDB_xcursor;
 
-	/** Check if there is an inited xcursor, so #XCURSOR_REFRESH() is proper */
+	/** Check if there is an inited xcursor */
 #define XCURSOR_INITED(mc) \
 	((mc)->mc_xcursor && ((mc)->mc_xcursor->mx_cursor.mc_flags & C_INITIALIZED))
 
-	/** Update sub-page pointer, if any, in \b mc->mc_xcursor.  Needed
+	/** Update the xcursor's sub-page pointer, if any, in \b mc.  Needed
 	 *	when the node which contains the sub-page may have moved.  Called
-	 *	with \b mp = mc->mc_pg[mc->mc_top], \b ki = mc->mc_ki[mc->mc_top].
+	 *	with leaf page \b mp = mc->mc_pg[\b top].
 	 */
-#define XCURSOR_REFRESH(mc, mp, ki) do { \
+#define XCURSOR_REFRESH(mc, top, mp) do { \
 	MDB_page *xr_pg = (mp); \
-	MDB_node *xr_node = NODEPTR(xr_pg, ki); \
+	MDB_node *xr_node; \
+	if (!XCURSOR_INITED(mc) || (mc)->mc_ki[top] >= NUMKEYS(xr_pg)) break; \
+	xr_node = NODEPTR(xr_pg, (mc)->mc_ki[top]); \
 	if ((xr_node->mn_flags & (F_DUPDATA|F_SUBDATA)) == F_DUPDATA) \
 		(mc)->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(xr_node); \
 } while (0)
@@ -2528,8 +2534,8 @@ mdb_page_touch(MDB_cursor *mc)
 			if (m2 == mc) continue;
 			if (m2->mc_pg[mc->mc_top] == mp) {
 				m2->mc_pg[mc->mc_top] = np;
-				if (XCURSOR_INITED(m2) && IS_LEAF(np))
-					XCURSOR_REFRESH(m2, np, m2->mc_ki[mc->mc_top]);
+				if (IS_LEAF(np))
+					XCURSOR_REFRESH(m2, mc->mc_top, np);
 			}
 		}
 	}
@@ -5095,7 +5101,7 @@ mdb_env_close0(MDB_env *env, int excl)
 	if (env->me_fd != INVALID_HANDLE_VALUE)
 		(void) close(env->me_fd);
 	if (env->me_txns) {
-		MDB_PID_T pid = env->me_pid;
+		MDB_PID_T pid = getpid();
 		/* Clearing readers is done in this function because
 		 * me_txkey with its destructor must be disabled first.
 		 *
@@ -6460,6 +6466,11 @@ mdb_cursor_get(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 			rc = MDB_INCOMPATIBLE;
 			break;
 		}
+		if (mc->mc_ki[mc->mc_top] >= NUMKEYS(mc->mc_pg[mc->mc_top])) {
+			mc->mc_ki[mc->mc_top] = NUMKEYS(mc->mc_pg[mc->mc_top]);
+			rc = MDB_NOTFOUND;
+			break;
+		}
 		{
 			MDB_node *leaf = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
 			if (!F_ISSET(leaf->mn_flags, F_DUPDATA)) {
@@ -6826,8 +6837,9 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 				} else {
 					memcpy((char *)mp + mp->mp_upper + PAGEBASE, (char *)fp + fp->mp_upper + PAGEBASE,
 						olddata.mv_size - fp->mp_upper - PAGEBASE);
+					memcpy((char *)(&mp->mp_ptrs), (char *)(&fp->mp_ptrs), NUMKEYS(fp) * sizeof(mp->mp_ptrs[0]));
 					for (i=0; i<NUMKEYS(fp); i++)
-						mp->mp_ptrs[i] = fp->mp_ptrs[i] + offset;
+						mp->mp_ptrs[i] += offset;
 				}
 			}
 
@@ -6956,8 +6968,7 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 				if (m3->mc_ki[i] >= mc->mc_ki[i] && insert_key) {
 					m3->mc_ki[i]++;
 				}
-				if (XCURSOR_INITED(m3))
-					XCURSOR_REFRESH(m3, mp, m3->mc_ki[i]);
+				XCURSOR_REFRESH(m3, i, mp);
 			}
 		}
 	}
@@ -6999,7 +7010,6 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 				MDB_xcursor *mx = mc->mc_xcursor;
 				unsigned i = mc->mc_top;
 				MDB_page *mp = mc->mc_pg[i];
-				int nkeys = NUMKEYS(mp);
 
 				for (m2 = mc->mc_txn->mt_cursors[mc->mc_dbi]; m2; m2=m2->mc_next) {
 					if (m2 == mc || m2->mc_snum < mc->mc_snum) continue;
@@ -7007,8 +7017,8 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 					if (m2->mc_pg[i] == mp) {
 						if (m2->mc_ki[i] == mc->mc_ki[i]) {
 							mdb_xcursor_init2(m2, mx, new_dupdata);
-						} else if (!insert_key && m2->mc_ki[i] < nkeys) {
-							XCURSOR_REFRESH(m2, mp, m2->mc_ki[i]);
+						} else if (!insert_key) {
+							XCURSOR_REFRESH(m2, i, mp);
 						}
 					}
 				}
@@ -7113,12 +7123,7 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags)
 						if (m2 == mc || m2->mc_snum < mc->mc_snum) continue;
 						if (!(m2->mc_flags & C_INITIALIZED)) continue;
 						if (m2->mc_pg[mc->mc_top] == mp) {
-							MDB_node *n2 = leaf;
-							if (m2->mc_ki[mc->mc_top] != mc->mc_ki[mc->mc_top]) {
-								n2 = NODEPTR(mp, m2->mc_ki[mc->mc_top]);
-								if (n2->mn_flags & F_SUBDATA) continue;
-							}
-							m2->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(n2);
+							XCURSOR_REFRESH(m2, mc->mc_top, mp);
 						}
 					}
 				}
@@ -7964,8 +7969,8 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst, int fromleft)
 					m3->mc_ki[csrc->mc_top] = cdst->mc_ki[cdst->mc_top];
 					m3->mc_ki[csrc->mc_top-1]++;
 				}
-				if (XCURSOR_INITED(m3) && IS_LEAF(mps))
-					XCURSOR_REFRESH(m3, m3->mc_pg[csrc->mc_top], m3->mc_ki[csrc->mc_top]);
+				if (IS_LEAF(mps))
+					XCURSOR_REFRESH(m3, csrc->mc_top, m3->mc_pg[csrc->mc_top]);
 			}
 		} else
 		/* Adding on the right, bump others down */
@@ -7986,8 +7991,8 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst, int fromleft)
 					} else {
 						m3->mc_ki[csrc->mc_top]--;
 					}
-					if (XCURSOR_INITED(m3) && IS_LEAF(mps))
-						XCURSOR_REFRESH(m3, m3->mc_pg[csrc->mc_top], m3->mc_ki[csrc->mc_top]);
+					if (IS_LEAF(mps))
+						XCURSOR_REFRESH(m3, csrc->mc_top, m3->mc_pg[csrc->mc_top]);
 				}
 			}
 		}
@@ -8188,8 +8193,8 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst)
 				m3->mc_ki[top-1] > csrc->mc_ki[top-1]) {
 				m3->mc_ki[top-1]--;
 			}
-			if (XCURSOR_INITED(m3) && IS_LEAF(psrc))
-				XCURSOR_REFRESH(m3, m3->mc_pg[top], m3->mc_ki[top]);
+			if (IS_LEAF(psrc))
+				XCURSOR_REFRESH(m3, top, m3->mc_pg[top]);
 		}
 	}
 	{
@@ -8451,8 +8456,7 @@ mdb_cursor_del0(MDB_cursor *mc)
 				} else if (m3->mc_ki[mc->mc_top] > ki) {
 					m3->mc_ki[mc->mc_top]--;
 				}
-				if (XCURSOR_INITED(m3))
-					XCURSOR_REFRESH(m3, m3->mc_pg[mc->mc_top], m3->mc_ki[mc->mc_top]);
+				XCURSOR_REFRESH(m3, mc->mc_top, mp);
 			}
 		}
 	}
@@ -8499,8 +8503,10 @@ mdb_cursor_del0(MDB_cursor *mc)
 							if (m3->mc_xcursor->mx_cursor.mc_flags & C_INITIALIZED) {
 								if (!(node->mn_flags & F_SUBDATA))
 									m3->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(node);
-							} else
+							} else {
 								mdb_xcursor_init1(m3, node);
+								m3->mc_xcursor->mx_cursor.mc_flags |= C_DEL;
+							}
 						}
 					}
 				}
@@ -8986,8 +8992,8 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno
 				m3->mc_ki[ptop] >= mc->mc_ki[ptop]) {
 				m3->mc_ki[ptop]++;
 			}
-			if (XCURSOR_INITED(m3) && IS_LEAF(mp))
-				XCURSOR_REFRESH(m3, m3->mc_pg[mc->mc_top], m3->mc_ki[mc->mc_top]);
+			if (IS_LEAF(mp))
+				XCURSOR_REFRESH(m3, mc->mc_top, m3->mc_pg[mc->mc_top]);
 		}
 	}
 	DPRINTF(("mp left: %d, rp left: %d", SIZELEFT(mp), SIZELEFT(rp)));
@@ -9792,8 +9798,11 @@ int mdb_dbi_open(MDB_txn *txn, const char *name, unsigned int flags, MDB_dbi *db
 		MDB_node *node = NODEPTR(mc.mc_pg[mc.mc_top], mc.mc_ki[mc.mc_top]);
 		if ((node->mn_flags & (F_DUPDATA|F_SUBDATA)) != F_SUBDATA)
 			return MDB_INCOMPATIBLE;
-	} else if (! (rc == MDB_NOTFOUND && (flags & MDB_CREATE))) {
-		return rc;
+	} else {
+		if (rc != MDB_NOTFOUND || !(flags & MDB_CREATE))
+			return rc;
+		if (F_ISSET(txn->mt_flags, MDB_TXN_RDONLY))
+			return EACCES;
 	}
 
 	/* Done here so we cannot fail after creating a new DB */
diff --git a/libraries/liblmdb/mdb_copy.1 b/libraries/liblmdb/mdb_copy.1
index 3b2af35aeb..594ff1241b 100644
--- a/libraries/liblmdb/mdb_copy.1
+++ b/libraries/liblmdb/mdb_copy.1
@@ -1,5 +1,5 @@
 .TH MDB_COPY 1 "2014/07/01" "LMDB 0.9.14"
-.\" Copyright 2012-2017 Howard Chu, Symas Corp. All Rights Reserved.
+.\" Copyright 2012-2018 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_copy \- LMDB environment copy tool
diff --git a/libraries/liblmdb/mdb_copy.c b/libraries/liblmdb/mdb_copy.c
index c6ec71c7e6..1b89396eb9 100644
--- a/libraries/liblmdb/mdb_copy.c
+++ b/libraries/liblmdb/mdb_copy.c
@@ -1,6 +1,6 @@
 /* mdb_copy.c - memory-mapped database backup tool */
 /*
- * Copyright 2012-2017 Howard Chu, Symas Corp.
+ * Copyright 2012-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mdb_dump.1 b/libraries/liblmdb/mdb_dump.1
index c4bfcb382b..72cf6ca844 100644
--- a/libraries/liblmdb/mdb_dump.1
+++ b/libraries/liblmdb/mdb_dump.1
@@ -1,5 +1,5 @@
 .TH MDB_DUMP 1 "2015/09/30" "LMDB 0.9.17"
-.\" Copyright 2014-2017 Howard Chu, Symas Corp. All Rights Reserved.
+.\" Copyright 2014-2018 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_dump \- LMDB environment export tool
diff --git a/libraries/liblmdb/mdb_dump.c b/libraries/liblmdb/mdb_dump.c
index 537a499019..9df5dc0b16 100644
--- a/libraries/liblmdb/mdb_dump.c
+++ b/libraries/liblmdb/mdb_dump.c
@@ -1,6 +1,6 @@
 /* mdb_dump.c - memory-mapped database dump tool */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mdb_load.1 b/libraries/liblmdb/mdb_load.1
index e25ff5a2b7..998acc12e6 100644
--- a/libraries/liblmdb/mdb_load.1
+++ b/libraries/liblmdb/mdb_load.1
@@ -1,5 +1,5 @@
 .TH MDB_LOAD 1 "2015/09/30" "LMDB 0.9.17"
-.\" Copyright 2014-2017 Howard Chu, Symas Corp. All Rights Reserved.
+.\" Copyright 2014-2018 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_load \- LMDB environment import tool
diff --git a/libraries/liblmdb/mdb_load.c b/libraries/liblmdb/mdb_load.c
index d193a69211..cf1d42e93b 100644
--- a/libraries/liblmdb/mdb_load.c
+++ b/libraries/liblmdb/mdb_load.c
@@ -1,6 +1,6 @@
 /* mdb_load.c - memory-mapped database load tool */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mdb_stat.1 b/libraries/liblmdb/mdb_stat.1
index 3520c92ae3..7c3f284640 100644
--- a/libraries/liblmdb/mdb_stat.1
+++ b/libraries/liblmdb/mdb_stat.1
@@ -1,5 +1,5 @@
 .TH MDB_STAT 1 "2015/09/30" "LMDB 0.9.17"
-.\" Copyright 2012-2017 Howard Chu, Symas Corp. All Rights Reserved.
+.\" Copyright 2012-2018 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_stat \- LMDB environment status tool
diff --git a/libraries/liblmdb/mdb_stat.c b/libraries/liblmdb/mdb_stat.c
index 51063accf6..f4c0dc1ea7 100644
--- a/libraries/liblmdb/mdb_stat.c
+++ b/libraries/liblmdb/mdb_stat.c
@@ -1,6 +1,6 @@
 /* mdb_stat.c - memory-mapped database status tool */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/midl.c b/libraries/liblmdb/midl.c
index 1689c3ab7e..7b2b77ea9f 100644
--- a/libraries/liblmdb/midl.c
+++ b/libraries/liblmdb/midl.c
@@ -3,8 +3,8 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2000-2016 The OpenLDAP Foundation.
- * Portions Copyright 2001-2017 Howard Chu, Symas Corp.
+ * Copyright 2000-2018 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/midl.h b/libraries/liblmdb/midl.h
index df9414d0db..1aa374c9f6 100644
--- a/libraries/liblmdb/midl.h
+++ b/libraries/liblmdb/midl.h
@@ -11,8 +11,8 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2000-2016 The OpenLDAP Foundation.
- * Portions Copyright 2001-2017 Howard Chu, Symas Corp.
+ * Copyright 2000-2018 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mtest.c b/libraries/liblmdb/mtest.c
index 4a2eafd033..6fc5840c3f 100644
--- a/libraries/liblmdb/mtest.c
+++ b/libraries/liblmdb/mtest.c
@@ -1,6 +1,6 @@
 /* mtest.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mtest2.c b/libraries/liblmdb/mtest2.c
index 9691c04fad..64b742aa46 100644
--- a/libraries/liblmdb/mtest2.c
+++ b/libraries/liblmdb/mtest2.c
@@ -1,6 +1,6 @@
 /* mtest2.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mtest3.c b/libraries/liblmdb/mtest3.c
index 4390d7ab4a..81e4bbf9b0 100644
--- a/libraries/liblmdb/mtest3.c
+++ b/libraries/liblmdb/mtest3.c
@@ -1,6 +1,6 @@
 /* mtest3.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mtest4.c b/libraries/liblmdb/mtest4.c
index 9f7884a93f..c355cf105a 100644
--- a/libraries/liblmdb/mtest4.c
+++ b/libraries/liblmdb/mtest4.c
@@ -1,6 +1,6 @@
 /* mtest4.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mtest5.c b/libraries/liblmdb/mtest5.c
index 4d34247e60..95793ec1fb 100644
--- a/libraries/liblmdb/mtest5.c
+++ b/libraries/liblmdb/mtest5.c
@@ -1,6 +1,6 @@
 /* mtest5.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/mtest6.c b/libraries/liblmdb/mtest6.c
index 26904e88ba..cb0d4d73c9 100644
--- a/libraries/liblmdb/mtest6.c
+++ b/libraries/liblmdb/mtest6.c
@@ -1,6 +1,6 @@
 /* mtest6.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2017 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/sample-bdb.txt b/libraries/liblmdb/sample-bdb.txt
index 4de26d5585..97220f0ed2 100644
--- a/libraries/liblmdb/sample-bdb.txt
+++ b/libraries/liblmdb/sample-bdb.txt
@@ -3,7 +3,7 @@
  * Do a line-by-line comparison of this and sample-mdb.txt
  */
 /*
- * Copyright 2012-2017 Howard Chu, Symas Corp.
+ * Copyright 2012-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libraries/liblmdb/sample-mdb.txt b/libraries/liblmdb/sample-mdb.txt
index 6e3622b866..1d20ed3d02 100644
--- a/libraries/liblmdb/sample-mdb.txt
+++ b/libraries/liblmdb/sample-mdb.txt
@@ -3,7 +3,7 @@
  * Do a line-by-line comparison of this and sample-bdb.txt
  */
 /*
- * Copyright 2012-2017 Howard Chu, Symas Corp.
+ * Copyright 2012-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without