diff --git a/lib/constants.js b/lib/constants.js
index 1159e87..de371e9 100644
--- a/lib/constants.js
+++ b/lib/constants.js
@@ -1,4 +1,4 @@
-export const SPARK_VERSION = '1.14.2'
+export const SPARK_VERSION = '1.14.3'
 export const MAX_CAR_SIZE = 200 * 1024 * 1024 // 200 MB
 export const APPROX_ROUND_LENGTH_IN_MS = 20 * 60_000 // 20 minutes
 export const RPC_URL = 'https://api.node.glif.io/'