diff --git a/crates/agent_servers/src/gemini.rs b/crates/agent_servers/src/gemini.rs
index 1a63322fac2e4577f0998c53cdd2a01ad86e1dd1..3b892e793140462fdcc9b1f03242c96adcd6e059 100644
--- a/crates/agent_servers/src/gemini.rs
+++ b/crates/agent_servers/src/gemini.rs
@@ -89,7 +89,7 @@ impl AgentServer for Gemini {
                             current_version
                         ).into(),
                         upgrade_message: "Upgrade Gemini CLI to latest".into(),
-                        upgrade_command: "npm install -g @google/gemini-cli@latest".into(),
+                        upgrade_command: "npm install -g @google/gemini-cli@preview".into(),
                     }.into())
                 }
             }