diff --git a/src/core/config/tmf.h b/src/core/config/tmf.h
index 538ccaf25..5d43f73e1 100644
--- a/src/core/config/tmf.h
+++ b/src/core/config/tmf.h
@@ -42,7 +42,7 @@
  *
  */
 #ifndef OPENTHREAD_CONFIG_TMF_ADDRESS_CACHE_ENTRIES
-#define OPENTHREAD_CONFIG_TMF_ADDRESS_CACHE_ENTRIES 10
+#define OPENTHREAD_CONFIG_TMF_ADDRESS_CACHE_ENTRIES 32
 #endif
 
 /**