diff --git a/src/Tracy/Session/FileSession.php b/src/Tracy/Session/FileSession.php
index 06fe1255e..522761051 100644
--- a/src/Tracy/Session/FileSession.php
+++ b/src/Tracy/Session/FileSession.php
@@ -18,7 +18,7 @@ class FileSession implements SessionStorage
 	public string $cookieName = 'tracy-session';
 
 	/** probability that the clean() routine is started */
-	public float $gcProbability = 0.001;
+	public float $gcProbability = 0.01;
 	private string $dir;
 
 	/** @var resource */