diff --git a/install.sh b/install.sh
index 0eab51e..4055dbd 100644
--- a/install.sh
+++ b/install.sh
@@ -32,6 +32,22 @@ fatal() {
     exit 1
 }
 
+# Source the os-release file to get distribution info
+if [ -f /etc/os-release ]; then
+    . /etc/os-release
+    OS=$ID
+else
+    fatal "Cannot determine OS"
+    exit 1
+fi
+
+# Check if OS is Debian, AlmaLinux (almalinux or alma), or Ubuntu
+if [[ "$OS" != "debian" && "$OS" != "ubuntu" && "$OS" != "almalinux" && "$OS" != "alma" ]]; then
+    debug "Unsupported OS: $OS"
+    fatal "This script only supports Debian, AlmaLinux, or Ubuntu"
+    exit 1
+fi
+
 install_dependencies () {
 
 info "Checking dependencies..."