diff --git a/extensions/deno/src/deno.rs b/extensions/deno/src/deno.rs
index 5431ae7a7a0ffaefc0085cf50033d164820b271f..7ef83574abe11db637722539233c95ad70b1e877 100644
--- a/extensions/deno/src/deno.rs
+++ b/extensions/deno/src/deno.rs
@@ -74,6 +74,8 @@ impl DenoExtension {
             )
             .map_err(|e| format!("failed to download file: {e}"))?;
 
+            zed::make_file_executable(&binary_path)?;
+
             let entries =
                 fs::read_dir(".").map_err(|e| format!("failed to list working directory {e}"))?;
             for entry in entries {