diff --git a/README.md b/README.md
index 92c1137..4147263 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ The GUI version is also available after you installed it. You can launch it from
 
 ### Debian/Ubuntu based distributions
 
-#### Install from PPA (Ubuntu > 18.04)
+#### Install from PPA
 
 ```
 sudo add-apt-repository ppa:yuezk/globalprotect-openconnect
@@ -81,10 +81,6 @@ sudo apt-get install globalprotect-openconnect
 >
 > For Linux Mint, you might need to import the GPG key with: `sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 7937C393082992E5D6E4A60453FC26B43838D761` if you encountered an error `gpg: keyserver receive failed: General error`.
 
-#### **Ubuntu 18.04**
-
-The latest package is not available in the PPA, but you still needs to add the `ppa:yuezk/globalprotect-openconnect` repo beforehand to use the required `openconnect` package. Then you can follow the [Install from deb package](#install-from-deb-package) section to install the latest package.
-
 #### Install from deb package
 
 Download the latest deb package from [releases](https://github.com/yuezk/GlobalProtect-openconnect/releases) page. Then install it with `apt`: