diff --git a/.gitignore b/.gitignore
index 780795d..353fe20 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,7 @@ lib/
 lib64/
 parts/
 sdist/
+deb_dist/
 var/
 *.egg-info/
 .installed.cfg
@@ -97,6 +98,7 @@ multibootusb*.tar.gz
 
 # Temp files
 data/multibootusb/grub/menus.zip
+MANIFEST
 
 # Setup file
 
diff --git a/CHANGELOG b/CHANGELOG
index 258019b..926fae9 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,20 @@
+Version - 9.3.0
+---------------
+* Provide information about free and total space of selected USB device in the main GUI
+* Unmount partitions and lock physical drive when dd-ing iso on Windows
+* Unmount the USB device partition while using QEMU to boot from USB on Linux
+* Fix description of an exception which gets raised of diskpart.exe fails
+* Fix repeated calls to update GUI
+* Fix syntax of an exception description
+* Imager writing on entire disk instead of partitions
+* Fix crash when using imager under certain conditions
+* Unmount partitions before dding iso image on Linux
+* Catch an error generated while copying iso image to the target USB
+* Fix uuid generation from NTFS/FAT32 partition on Windows
+* Add gptmbr.bin to package data files
+* Catch exceptions raised during install_syslinux() and make effort to undo partially completed installation
+* Fix a doc string to keep up with the function signature change
+
 Version - 9.2.0
 ---------------
 * Welcome onboard Shiniji Suzuki. The most of the bug fixes and additional features implemented are done by him. A big tanks to him.
diff --git a/build_pkg b/build_pkg
index 732635b..cc23cfe 100644
--- a/build_pkg
+++ b/build_pkg
@@ -126,12 +126,12 @@ class pkg():
                       Depends3: python3-pyqt5, parted, util-linux, mtools, python3-dbus, python3-pyudev, p7zip-full, python3-six
                       Build-Depends: python3-all
                       Section: system
-                      XS-Python-Version: = 3.5
+                      XS-Python-Version: = 3
                       Debian-Version: 1"""
 
             with open("stdeb.cfg", "w") as f:
                 f.write(stdcfg)
-            if subprocess.call('/usr/bin/python3.5 setup.py --command-packages=stdeb.command bdist_deb', shell=True) == 0 and \
+            if subprocess.call('/usr/bin/python3 setup.py --command-packages=stdeb.command bdist_deb', shell=True) == 0 and \
                     os.path.exists(os.path.join("deb_dist", "python3-multibootusb_" + self.version + "-1_all.deb")):
                 try:
                     shutil.copy2(os.path.join("deb_dist", "python3-multibootusb_" + self.version + "-1_all.deb"),
@@ -159,7 +159,7 @@ class pkg():
                          "Requires = " + require)
             with open("setup.cfg", "w") as f:
                 f.write(setup_cfg)
-            if subprocess.call('/usr/bin/python3.5 setup.py bdist_rpm', shell=True) == 0 and \
+            if subprocess.call('/usr/bin/python3 setup.py bdist_rpm', shell=True) == 0 and \
                     os.path.exists(os.path.join("dist", "multibootusb-" + self.version + "-1.noarch.rpm")):
                 if self.pkg_name == 'suse':
                     package = "multibootusb-" + self.version + "-1suse.noarch.rpm"
diff --git a/data/version.txt b/data/version.txt
index deeb3d6..b13d146 100644
--- a/data/version.txt
+++ b/data/version.txt
@@ -1 +1 @@
-9.2.0
+9.3.0
diff --git a/org.debian.pkexec.run-multibootusb.policy b/org.debian.pkexec.run-multibootusb.policy
index d8e8566..e111748 100644
--- a/org.debian.pkexec.run-multibootusb.policy
+++ b/org.debian.pkexec.run-multibootusb.policy
@@ -12,7 +12,7 @@
       <allow_inactive>auth_admin</allow_inactive>
       <allow_active>auth_admin</allow_active>
     </defaults>
-    <annotate key="org.freedesktop.policykit.exec.path">/usr/local/bin/multibootusb</annotate>
+    <annotate key="org.freedesktop.policykit.exec.path">/usr/bin/multibootusb</annotate>
     <annotate key="org.freedesktop.policykit.exec.allow_gui">true</annotate>
   </action>