diff --git a/components/esp8266/lib/VERSION b/components/esp8266/lib/VERSION
index f0df4532..5f9d6604 100644
--- a/components/esp8266/lib/VERSION
+++ b/components/esp8266/lib/VERSION
@@ -1,7 +1,7 @@
 gwen:
     crypto:     8943c89
     espnow:     8943c89
-    core:       fdd8880
+    core:       915e6ba
     net80211:   fdd8880
     pp:         fdd8880
     pwm:        0181338
diff --git a/components/esp8266/lib/libcore.a b/components/esp8266/lib/libcore.a
index 691eaeb4..2c7c5968 100644
Binary files a/components/esp8266/lib/libcore.a and b/components/esp8266/lib/libcore.a differ