diff --git a/intellij-idea-ultimate_2021.2.2/debian/postinst b/intellij-idea-ultimate_2021.2.2/debian/postinst
index f61142d..bdc49f1 100644
--- a/intellij-idea-ultimate_2021.2.2/debian/postinst
+++ b/intellij-idea-ultimate_2021.2.2/debian/postinst
@@ -5,13 +5,13 @@ set -e
 cd /opt/
 
 ## Extract the package
-sudo tar xf /opt/ideaIU-*
+sudo tar xf /opt/ideaIU-2021.2.2.tar.gz
 
 ## Rename the directory
 sudo mv /opt/idea-IU-* /opt/intellij-idea-ultimate
 
 ## Remove  the tar.gz package
-sudo rm /opt/ideaIU-*
+sudo rm /opt/ideaIU-2021.2.2.tar.gz
 
 ## Install the .desktop file, if necessary
 if [ -x "/usr/bin/desktop-file-install" ]; then
diff --git a/update-new-version.sh b/update-new-version.sh
index 88c61a2..3351945 100755
--- a/update-new-version.sh
+++ b/update-new-version.sh
@@ -26,6 +26,7 @@ main() {
 	"Upstream version $new"
 
     sed -i "s/$old/$new/g" ./debian/preinst
+    sed -i "s/$old/$new/g" ./debian/postinst
 
     debuild -us -uc