diff --git a/src/lib/core/CHIPConfig.h b/src/lib/core/CHIPConfig.h
index 4e4cad403b690f..305d418dfe7a42 100644
--- a/src/lib/core/CHIPConfig.h
+++ b/src/lib/core/CHIPConfig.h
@@ -1208,9 +1208,11 @@
  * @def CHIP_CONFIG_GROUP_CONNECTION_POOL_SIZE
  *
  * @brief Define the size of the pool used for tracking CHIP groups.
+ *        Given the ephemeral nature of groups session, no need to support
+ *        a large pool size.
  */
 #ifndef CHIP_CONFIG_GROUP_CONNECTION_POOL_SIZE
-#define CHIP_CONFIG_GROUP_CONNECTION_POOL_SIZE 8
+#define CHIP_CONFIG_GROUP_CONNECTION_POOL_SIZE 4
 #endif // CHIP_CONFIG_GROUP_CONNECTION_POOL_SIZE
 
 /**