diff --git a/src/main/java/net/jstom/script/ScriptManager.java b/src/main/java/net/jstom/script/ScriptManager.java
index 20edb53..8dbdec8 100644
--- a/src/main/java/net/jstom/script/ScriptManager.java
+++ b/src/main/java/net/jstom/script/ScriptManager.java
@@ -41,6 +41,7 @@ public class ScriptManager {
                 .allowHostAccess(HostAccess.ALL)
                 .allowHostClassLookup(s -> true)
                 .allowIO(true)
+                .allowCreateThread(true)
                 .allowExperimentalOptions(true)
                 .option("js.commonjs-require", "true")
                 .option("js.commonjs-require-cwd", scriptsDir.getAbsolutePath())