diff --git a/src/steps/os/linux.rs b/src/steps/os/linux.rs
index 642958e1..d7955643 100644
--- a/src/steps/os/linux.rs
+++ b/src/steps/os/linux.rs
@@ -23,6 +23,7 @@ static OS_RELEASE_PATH: &str = "/etc/os-release";
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum Distribution {
     Alpine,
+    AOSC,
     Wolfi,
     Arch,
     Bedrock,
@@ -58,6 +59,7 @@ impl Distribution {
 
         Ok(match id {
             Some("alpine") => Distribution::Alpine,
+            Some("aosc") => Distribution::AOSC,
             Some("chimera") => Distribution::Chimera,
             Some("wolfi") => Distribution::Wolfi,
             Some("centos") | Some("rhel") | Some("ol") => Distribution::CentOS,
@@ -161,6 +163,7 @@ impl Distribution {
             Distribution::PCLinuxOS => upgrade_pclinuxos(ctx),
             Distribution::Nobara => upgrade_nobara(ctx),
             Distribution::NILRT => upgrade_nilrt(ctx),
+            Distribution::AOSC => upgrade_aosc(ctx),
         }
     }
 
@@ -197,6 +200,20 @@ fn update_bedrock(ctx: &ExecutionContext) -> Result<()> {
     Ok(())
 }
 
+fn upgrade_aosc(ctx: &ExecutionContext) -> Result<()> {
+    let oma = require("oma")?;
+    let sudo = ctx.require_sudo()?;
+
+    let mut cmd = sudo.execute(ctx, &oma)?;
+    cmd.arg("upgrade");
+
+    if ctx.config().yes(Step::System) {
+        cmd.arg("-y");
+    }
+
+    cmd.status_checked()
+}
+
 fn upgrade_alpine_linux(ctx: &ExecutionContext) -> Result<()> {
     let apk = require("apk")?;
     let sudo = ctx.require_sudo()?;
@@ -1137,6 +1154,11 @@ mod tests {
         test_template(include_str!("os_release/arch32"), Distribution::Arch);
     }
 
+    #[test]
+    fn test_aosc() {
+        test_template(include_str!("os_release/aosc"), Distribution::AOSC);
+    }
+
     #[test]
     fn test_centos() {
         test_template(include_str!("os_release/centos"), Distribution::CentOS);
diff --git a/src/steps/os/os_release/aosc b/src/steps/os/os_release/aosc
new file mode 100644
index 00000000..529bb661
--- /dev/null
+++ b/src/steps/os/os_release/aosc
@@ -0,0 +1,10 @@
+PRETTY_NAME="AOSC OS (12.2.2)"
+NAME="AOSC OS"
+VERSION_ID="12.2.2"
+VERSION="12.2.2 (localhost)"
+BUILD_ID="20250916"
+ID=aosc
+ANSI_COLOR="1;36"
+HOME_URL="https://aosc.io/"
+SUPPORT_URL="https://github.com/AOSC-Dev/aosc-os-abbs"
+BUG_REPORT_URL="https://github.com/AOSC-Dev/aosc-os-abbs/issues"