diff --git a/Cargo.lock b/Cargo.lock
index 26ebd273..f352aa4b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -564,7 +564,7 @@ dependencies = [
 
 [[package]]
 name = "common"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "is_executable",
 ]
@@ -1430,7 +1430,7 @@ dependencies = [
 
 [[package]]
 name = "gpapi"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "anyhow",
  "base64 0.21.5",
@@ -1461,7 +1461,7 @@ dependencies = [
 
 [[package]]
 name = "gpauth"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "anyhow",
  "clap",
@@ -1483,7 +1483,7 @@ dependencies = [
 
 [[package]]
 name = "gpclient"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "anyhow",
  "clap",
@@ -1505,7 +1505,7 @@ dependencies = [
 
 [[package]]
 name = "gpgui-helper"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "anyhow",
  "clap",
@@ -1523,7 +1523,7 @@ dependencies = [
 
 [[package]]
 name = "gpservice"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "anyhow",
  "axum",
@@ -2537,7 +2537,7 @@ dependencies = [
 
 [[package]]
 name = "openconnect"
-version = "2.1.4"
+version = "2.2.0"
 dependencies = [
  "cc",
  "common",
diff --git a/Cargo.toml b/Cargo.toml
index 7ab00402..a2498122 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ members = ["crates/*", "apps/gpclient", "apps/gpservice", "apps/gpauth", "apps/g
 
 [workspace.package]
 rust-version = "1.70"
-version = "2.1.4"
+version = "2.2.0"
 authors = ["Kevin Yue <k3vinyue@gmail.com>"]
 homepage = "https://github.com/yuezk/GlobalProtect-openconnect"
 edition = "2021"
diff --git a/README.md b/README.md
index 5b36833f..3ce1e8ed 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ The GUI version is also available after you installed it. You can launch it from
 
 ### Debian/Ubuntu based distributions
 
-#### Install from PPA
+#### Install from PPA (Ubuntu 18.04 and later, except 24.04)
 
 ```
 sudo apt-get install gir1.2-gtk-3.0 gir1.2-webkit2-4.0
@@ -68,6 +68,23 @@ 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 24.04**
+
+The `libwebkit2gtk-4.0-37` is [removed](https://bugs.launchpad.net/ubuntu/+source/webkit2gtk/+bug/2061914) from its repo, before [the issue](https://github.com/yuezk/GlobalProtect-openconnect/issues/351) gets resolved, you need to install them manually:
+
+```bash
+wget http://launchpadlibrarian.net/704701349/libwebkit2gtk-4.0-37_2.43.3-1_amd64.deb
+wget http://launchpadlibrarian.net/704701345/libjavascriptcoregtk-4.0-18_2.43.3-1_amd64.deb
+
+sudo dpkg --install *.deb
+```
+
+And the latest package is not available in the PPA, you can follow the [Install from deb package](#install-from-deb-package) section to install the latest package.
+
+#### **Ubuntu 18.04**
+
+The latest package is not available in the PPA either, 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 `dpkg`:
@@ -151,6 +168,8 @@ You can also build the client from source, steps are as follows:
 
 1. How to deal with error `Secure Storage not ready`
 
+   Try upgrade the client to `2.2.0` or later, which will use a file-based storage as a fallback.
+
    You need to install the `gnome-keyring` package, and restart the system (See [#321](https://github.com/yuezk/GlobalProtect-openconnect/issues/321), [#316](https://github.com/yuezk/GlobalProtect-openconnect/issues/316)).
 
 2. How to deal with error `(gpauth:18869): Gtk-WARNING **: 10:33:37.566: cannot open display:`