diff --git a/codex-rs/cli/tests/debug_clear_memories.rs b/codex-rs/cli/tests/debug_clear_memories.rs
index e39d736ae0..be1c30da8a 100644
--- a/codex-rs/cli/tests/debug_clear_memories.rs
+++ b/codex-rs/cli/tests/debug_clear_memories.rs
@@ -142,7 +142,7 @@ async fn debug_clear_memories_resets_memories_db_without_state_db() -> Result<()
     let codex_home = TempDir::new()?;
     let runtime =
         StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
-    drop(runtime);
+    runtime.close().await;
 
     let db_path = state_db_path(codex_home.path());
     let memories_db_path = memories_db_path(codex_home.path());