diff --git a/configure b/configure
index 627f8bb39..7bccaf17f 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for qbittorrent v4.1.9.
+# Generated by GNU Autoconf 2.69 for qbittorrent v4.1.9.1.
 #
 # Report bugs to <bugs.qbittorrent.org>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='qbittorrent'
 PACKAGE_TARNAME='qbittorrent'
-PACKAGE_VERSION='v4.1.9'
-PACKAGE_STRING='qbittorrent v4.1.9'
+PACKAGE_VERSION='v4.1.9.1'
+PACKAGE_STRING='qbittorrent v4.1.9.1'
 PACKAGE_BUGREPORT='bugs.qbittorrent.org'
 PACKAGE_URL='https://www.qbittorrent.org/'
 
@@ -1299,7 +1299,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures qbittorrent v4.1.9 to adapt to many kinds of systems.
+\`configure' configures qbittorrent v4.1.9.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1370,7 +1370,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of qbittorrent v4.1.9:";;
+     short | recursive ) echo "Configuration of qbittorrent v4.1.9.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1505,7 +1505,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-qbittorrent configure v4.1.9
+qbittorrent configure v4.1.9.1
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1644,7 +1644,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by qbittorrent $as_me v4.1.9, which was
+It was created by qbittorrent $as_me v4.1.9.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3822,7 +3822,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='qbittorrent'
- VERSION='v4.1.9'
+ VERSION='v4.1.9.1'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -6275,7 +6275,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by qbittorrent $as_me v4.1.9, which was
+This file was extended by qbittorrent $as_me v4.1.9.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -6333,7 +6333,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-qbittorrent config.status v4.1.9
+qbittorrent config.status v4.1.9.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -7591,7 +7591,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by qbittorrent $as_me v4.1.9, which was
+This file was extended by qbittorrent $as_me v4.1.9.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7649,7 +7649,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-qbittorrent config.status v4.1.9
+qbittorrent config.status v4.1.9.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 90705bee9..a9f0b941c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([qbittorrent], [v4.1.9], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
+AC_INIT([qbittorrent], [v4.1.9.1], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_PROG_CC
diff --git a/dist/windows/options.nsi b/dist/windows/options.nsi
index 0abc76b21..f3b109a10 100644
--- a/dist/windows/options.nsi
+++ b/dist/windows/options.nsi
@@ -27,7 +27,7 @@ XPStyle on
 !define CSIDL_LOCALAPPDATA '0x1C' ;Local Application Data path
 
 ; Program specific
-!define PROG_VERSION "4.1.9"
+!define PROG_VERSION "4.1.9.1"
 
 !define MUI_FINISHPAGE_RUN
 !define MUI_FINISHPAGE_RUN_FUNCTION PageFinishRun
@@ -54,7 +54,7 @@ VIAddVersionKey "LegalCopyright" "Copyright ©2006-2019 The qBittorrent project"
 VIAddVersionKey "FileDescription" "qBittorrent - A Bittorrent Client"
 VIAddVersionKey "FileVersion" "${PROG_VERSION}"
 
-VIProductVersion "${PROG_VERSION}.0"
+VIProductVersion "${PROG_VERSION}.1"
 
 ; The default installation directory. It changes depending if we install in the 64bit dir or not.
 ; A caveat of this is if a user has installed a 32bit version and then runs the 64bit installer
diff --git a/version.pri b/version.pri
index 0320a36cf..f8865d5bb 100644
--- a/version.pri
+++ b/version.pri
@@ -5,7 +5,7 @@ PROJECT_NAME = qbittorrent
 VER_MAJOR = 4
 VER_MINOR = 1
 VER_BUGFIX = 9
-VER_BUILD = 0
+VER_BUILD = 1
 VER_STATUS = # Should be empty for stable releases!
 
 # Don't touch the rest part