diff --git a/jerry-port/config-jupiter.h b/jerry-port/config-jupiter.h
index 8de852931d302b66ddc4957c688cda15b2b4d019..7d81220cd3816b6c3f2f1eed048275f4fc93da19 100644
--- a/jerry-port/config-jupiter.h
+++ b/jerry-port/config-jupiter.h
@@ -21,10 +21,10 @@
 #endif /* SNAPSHOT_BUFFER_SIZE */
 
 #define CONVERTION_RATIO (1024)
-#define CONTEXT_SIZE_FOR_TASK (3)
+#define CONTEXT_SIZE_FOR_TASK (5)
 
 #ifndef BMS_TASK_HEAP_SIZE
-#define BMS_TASK_HEAP_SIZE (48)
+#define BMS_TASK_HEAP_SIZE (64)
 #endif /* BMS_TASK_HEAP_SIZE */
 
 #define BMS_TASK_CONTEXT_AND_HEAP_SIZE (BMS_TASK_HEAP_SIZE + CONTEXT_SIZE_FOR_TASK)