diff --git a/mk/linux/mg-version.sh b/mk/linux/mg-version.sh
index 021829d45..6aded2e59 100755
--- a/mk/linux/mg-version.sh
+++ b/mk/linux/mg-version.sh
@@ -6,7 +6,7 @@
 
 OLD_MG_VERSION=3.9.0
 OLD_MG_VERSION_BINARY=3.9.0
-MG_VERSION=3.9.1-dev
+MG_VERSION=3.9.1
 
 if [ "$1" = "--oldversion" ]; then
   echo "$OLD_MG_VERSION"
diff --git a/mk/linux/mojosetup/megaglest-installer/scripts/config.lua b/mk/linux/mojosetup/megaglest-installer/scripts/config.lua
index dc2ef7c3b..74fda0ece 100644
--- a/mk/linux/mojosetup/megaglest-installer/scripts/config.lua
+++ b/mk/linux/mojosetup/megaglest-installer/scripts/config.lua
@@ -1,5 +1,5 @@
 local GAME_INSTALL_SIZE = 700000000;
-local GAME_VERSION = "3.9.0";
+local GAME_VERSION = "3.9.1";
 
 local _ = MojoSetup.translate
 
diff --git a/mk/windoze/Installer/MegaGlestInstaller.nsi b/mk/windoze/Installer/MegaGlestInstaller.nsi
index f35aec3c4..2982812e8 100644
--- a/mk/windoze/Installer/MegaGlestInstaller.nsi
+++ b/mk/windoze/Installer/MegaGlestInstaller.nsi
@@ -3,8 +3,8 @@
 
 !define APNAME MegaGlest
 !define APNAME_OLD Mega-Glest
-!define APVER_OLD 3.7.1
-!define APVER 3.9.0
+!define APVER_OLD 3.9.0
+!define APVER 3.9.1
 
 Name "${APNAME} ${APVER}"
 SetCompressor /FINAL /SOLID lzma
diff --git a/mk/windoze/Installer/MegaGlestUpdater.nsi b/mk/windoze/Installer/MegaGlestUpdater.nsi
index 9e03d9483..312029d08 100644
--- a/mk/windoze/Installer/MegaGlestUpdater.nsi
+++ b/mk/windoze/Installer/MegaGlestUpdater.nsi
@@ -2,10 +2,10 @@
 ; General Attributes
 
 !define APNAME MegaGlest
-!define APVER 3.9.0
+!define APVER 3.9.1
 !define APNAME_OLD Mega-Glest
-!define APVER_OLD 3.7.1
-!define APVER_UPDATE 3.9.0
+!define APVER_OLD 3.9.0
+!define APVER_UPDATE 3.9.1
 
 Name "${APNAME} ${APVER_UPDATE}"
 SetCompressor /FINAL /SOLID lzma
diff --git a/source/glest_game/facilities/game_util.cpp b/source/glest_game/facilities/game_util.cpp
index b2d94bc69..df05dad9a 100644
--- a/source/glest_game/facilities/game_util.cpp
+++ b/source/glest_game/facilities/game_util.cpp
@@ -27,7 +27,7 @@ using namespace Shared::Platform;
 namespace Glest { namespace Game {
 
 const char *mailString				= " http://bugs.megaglest.org";
-const string glestVersionString 	= "v3.9.1-dev";
+const string glestVersionString 	= "v3.9.1";
 #if defined(GITVERSION)
     const string GIT_RawRev			= string(GITVERSION);
     const string GIT_Rev 			= string("Rev: ") + string(GITVERSION);