diff --git a/appveyor.yml b/appveyor.yml
index 93112044..9d8b9f2b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 0.9.3.{build}
+version: 0.10.0.{build}
 
 environment:
   matrix:
diff --git a/mdbx.h b/mdbx.h
index 64233d5b..f902b7b4 100644
--- a/mdbx.h
+++ b/mdbx.h
@@ -531,9 +531,9 @@ typedef mode_t mdbx_mode_t;
 extern "C" {
 #endif
 
-/* MDBX version 0.9.x */
+/* MDBX version 0.10.x */
 #define MDBX_VERSION_MAJOR 0
-#define MDBX_VERSION_MINOR 9
+#define MDBX_VERSION_MINOR 10
 
 #ifndef LIBMDBX_API
 #if defined(LIBMDBX_EXPORTS)
diff --git a/src/man1/mdbx_chk.1 b/src/man1/mdbx_chk.1
index 5115fc71..0a29213e 100644
--- a/src/man1/mdbx_chk.1
+++ b/src/man1/mdbx_chk.1
@@ -1,6 +1,6 @@
 .\" Copyright 2015-2021 Leonid Yuriev <leo@yuriev.ru>.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
-.TH MDBX_CHK 1 "2021-02-02" "MDBX 0.9.3"
+.TH MDBX_CHK 1 "2021-05-09" "MDBX 0.10.0"
 .SH NAME
 mdbx_chk \- MDBX checking tool
 .SH SYNOPSIS
diff --git a/src/man1/mdbx_copy.1 b/src/man1/mdbx_copy.1
index 08ffc822..2e306034 100644
--- a/src/man1/mdbx_copy.1
+++ b/src/man1/mdbx_copy.1
@@ -2,7 +2,7 @@
 .\" Copyright 2012-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copyright 2015,2016 Peter-Service R&D LLC <http://billing.ru/>.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
-.TH MDBX_COPY 1 "2021-02-02" "MDBX 0.9.3"
+.TH MDBX_COPY 1 "2021-05-09" "MDBX 0.10.0"
 .SH NAME
 mdbx_copy \- MDBX environment copy tool
 .SH SYNOPSIS
diff --git a/src/man1/mdbx_drop.1 b/src/man1/mdbx_drop.1
index 0e4effb4..bc5dfe02 100644
--- a/src/man1/mdbx_drop.1
+++ b/src/man1/mdbx_drop.1
@@ -1,7 +1,7 @@
 .\" Copyright 2021 Leonid Yuriev <leo@yuriev.ru>.
 .\" Copyright 2014-2021 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
-.TH MDBX_DROP 1 "2021-02-02" "MDBX 0.9.3"
+.TH MDBX_DROP 1 "2021-05-09" "MDBX 0.10.0"
 .SH NAME
 mdbx_drop \- MDBX database delete tool
 .SH SYNOPSIS
diff --git a/src/man1/mdbx_dump.1 b/src/man1/mdbx_dump.1
index b7c56e19..a9602525 100644
--- a/src/man1/mdbx_dump.1
+++ b/src/man1/mdbx_dump.1
@@ -2,7 +2,7 @@
 .\" Copyright 2014-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copyright 2015,2016 Peter-Service R&D LLC <http://billing.ru/>.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
-.TH MDBX_DUMP 1 "2021-02-02" "MDBX 0.9.3"
+.TH MDBX_DUMP 1 "2021-05-09" "MDBX 0.10.0"
 .SH NAME
 mdbx_dump \- MDBX environment export tool
 .SH SYNOPSIS
diff --git a/src/man1/mdbx_load.1 b/src/man1/mdbx_load.1
index c9690bda..4cf25c36 100644
--- a/src/man1/mdbx_load.1
+++ b/src/man1/mdbx_load.1
@@ -2,7 +2,7 @@
 .\" Copyright 2014-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copyright 2015,2016 Peter-Service R&D LLC <http://billing.ru/>.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
-.TH MDBX_LOAD 1 "2021-02-02" "MDBX 0.9.3"
+.TH MDBX_LOAD 1 "2021-05-09" "MDBX 0.10.0"
 .SH NAME
 mdbx_load \- MDBX environment import tool
 .SH SYNOPSIS
diff --git a/src/man1/mdbx_stat.1 b/src/man1/mdbx_stat.1
index d28f0d15..c52396b4 100644
--- a/src/man1/mdbx_stat.1
+++ b/src/man1/mdbx_stat.1
@@ -2,7 +2,7 @@
 .\" Copyright 2012-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copyright 2015,2016 Peter-Service R&D LLC <http://billing.ru/>.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
-.TH MDBX_STAT 1 "2021-02-02" "MDBX 0.9.3"
+.TH MDBX_STAT 1 "2021-05-09" "MDBX 0.10.0"
 .SH NAME
 mdbx_stat \- MDBX environment status tool
 .SH SYNOPSIS