test.patch

diff --git a/src/main/java/com/jrjackson/JrJacksonBase.java b/src/main/java/com/jrjackson/JrJacksonBase.java
index 5b1748e..e000915 100644
--- a/src/main/java/com/jrjackson/JrJacksonBase.java
+++ b/src/main/java/com/jrjackson/JrJacksonBase.java
@@ -63,7 +63,7 @@ public class JrJacksonBase extends RubyObject {
             }
             provider = RubyJacksonModule.createProvider(simpleFormat);
         } else {
-            provider = RubyJacksonModule.createProvider();
+            provider = RubyJacksonModule.getDefaultProvider();
         }
 
         try {
diff --git a/src/main/java/com/jrjackson/RubyJacksonModule.java b/src/main/java/com/jrjackson/RubyJacksonModule.java
index 6c21f0a..80bb740 100644
--- a/src/main/java/com/jrjackson/RubyJacksonModule.java
+++ b/src/main/java/com/jrjackson/RubyJacksonModule.java
@@ -18,6 +18,7 @@ public class RubyJacksonModule extends SimpleModule {
     public static final ObjectMapper static_mapper = new ObjectMapper();
     public static final JsonFactory factory = new JsonFactory(static_mapper).disable(JsonFactory.Feature.FAIL_ON_SYMBOL_HASH_OVERFLOW);
     private static final TimeZone utcTimeZone = TimeZone.getTimeZone("UTC");
+    private static final ThreadLocal<DefaultSerializerProvider> localProvider = ThreadLocal.withInitial(() -> createProvider());
 
     static {
         static_mapper.registerModule(new RubyJacksonModule().addSerializer(
@@ -60,6 +61,10 @@ public class RubyJacksonModule extends SimpleModule {
         return createProvider(rdf);
     }
 
+    public static DefaultSerializerProvider getDefaultProvider() {
+        return localProvider.get();
+    }
+
     public static ObjectMapper rawBigNumberMapper() {
         static_mapper.enable(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS);
         static_mapper.enable(DeserializationFeature.USE_BIG_INTEGER_FOR_INTS);