diff --git a/core/org.eclipse.smila.solr/solr-configuration.json b/core/org.eclipse.smila.solr/solr-configuration.json
index 93ad7fd..2c8b4f9 100755
--- a/core/org.eclipse.smila.solr/solr-configuration.json
+++ b/core/org.eclipse.smila.solr/solr-configuration.json
@@ -66,5 +66,8 @@
 		"fetchFacetFieldType": false,
 		"processGroupValueNull": false,
 		"groupValueNull": "null"
+	},
+	"search": {
+		"FieldValueTypeCache.exprireAfterMinutes": 60
 	}
 }