diff --git a/README.md b/README.md
index 97672f0..d9d8697 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Useful for SCP, SFTP, and `rsync` over SSH in deployment script.
 
 tested on:
 
-* [all available virtual machines](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/virtual-environments-for-github-hosted-runners#supported-runners-and-hardware-resources) (Windows Server 2022/2019, macOS Monterey/Big Sur/Catalina, and Ubuntu 22.04/20.04/18.04)
+* [all available virtual machines](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/virtual-environments-for-github-hosted-runners#supported-runners-and-hardware-resources) (Windows Server 2022/2019, macOS Monterey/Big Sur, and Ubuntu 22.04/20.04)
 * [Docker container (Ubuntu)](https://hub.docker.com/_/ubuntu) / requires `openssh-client` package; `apt install -y openssh-client`
 * [Docker container (CentOS)](https://quay.io/repository/centos/centos) / requires `openssh-clients` package; `yum install -y openssh-clients`
 * [Docker container (Alpine Linux)](https://hub.docker.com/_/alpine) / requires `openssh-client` package; `apk add openssh-client`