diff --git a/src/server/actors/repo/branch.rs b/src/server/actors/repo/branch.rs
index 7196e62..ba3f081 100644
--- a/src/server/actors/repo/branch.rs
+++ b/src/server/actors/repo/branch.rs
@@ -135,14 +135,39 @@ fn find_next_commit_on_dev(
 // advance main branch to the commit 'next'
 #[allow(dead_code)]
 pub async fn advance_main(
-    _next: forge::Commit,
-    _repo_details: config::RepoDetails,
+    next: forge::Commit,
+    repo_details: config::RepoDetails,
+    repo_config: config::RepoConfig,
     addr: Addr<RepoActor>,
-    _net: network::Network,
 ) {
-    // TODO: (#19) advance main to next
     info!("Advance Main");
-    addr.do_send(StartRepo);
+    let user = repo_details.forge.user;
+    let token = repo_details.forge.token;
+    let hostname = repo_details.forge.hostname;
+    let path = repo_details.repo;
+    let main = repo_config.branches().main();
+    let command =
+        format!("/usr/bin/git push https://{user}:{token}@{hostname}/{path}.git {next}:{main}");
+    info!("Running command: {}", command);
+    match gix::command::prepare(command)
+        .with_shell_allow_argument_splitting()
+        .spawn()
+    {
+        Ok(mut child) => {
+            match child.wait() {
+                Ok(exit_status) => {
+                    info!(%exit_status, "Advance Next Success");
+                    addr.do_send(StartRepo);
+                }
+                Err(err) => {
+                    warn!(?err, "Advance Next Failed (wait)")
+                }
+            };
+        }
+        Err(err) => {
+            warn!(?err, "Advance Next Failed (spawn)")
+        }
+    };
 }
 
 #[cfg(test)]
diff --git a/src/server/actors/repo/mod.rs b/src/server/actors/repo/mod.rs
index 6f64b5b..d2e3dad 100644
--- a/src/server/actors/repo/mod.rs
+++ b/src/server/actors/repo/mod.rs
@@ -143,9 +143,12 @@ impl Handler<AdvanceMainTo> for RepoActor {
     type Result = ();
     fn handle(&mut self, msg: AdvanceMainTo, ctx: &mut Self::Context) -> Self::Result {
         let repo_details = self.details.clone();
+        let Some(repo_config) = self.config.clone() else {
+            warn!("No config loaded");
+            return;
+        };
         let addr = ctx.address();
-        let net = self.net.clone();
-        branch::advance_main(msg.0, repo_details, addr, net)
+        branch::advance_main(msg.0, repo_details, repo_config, addr)
             .into_actor(self)
             .wait(ctx);
     }