diff --git a/tools/sdk/changelog.txt b/tools/sdk/changelog.txt
index 9080be8ad..a3228229b 100644
--- a/tools/sdk/changelog.txt
+++ b/tools/sdk/changelog.txt
@@ -1,3 +1,9 @@
+esp_iot_sdk_v1.5.0_15_12_15_p1 Release Note
+----------------------------------------
+Here is a patch based on ESP8266_NONOS_SDK_V1.5.0 solved a problem that calling espconn_abort may cause unexpected reset.
+
+Sorry for the inconvenience.
+
 esp_iot_sdk_v1.5.0_15_11_27 Release Note
 ----------------------------------------
 Resolved Issues (Bugs listed below apply to Bug Bounty Program):
diff --git a/tools/sdk/lib/liblwip.a b/tools/sdk/lib/liblwip.a
index d2983951a..7974750d5 100644
Binary files a/tools/sdk/lib/liblwip.a and b/tools/sdk/lib/liblwip.a differ
diff --git a/tools/sdk/version b/tools/sdk/version
index bc80560fa..3e06e6e70 100644
--- a/tools/sdk/version
+++ b/tools/sdk/version
@@ -1 +1 @@
-1.5.0
+1.5.0_15_12_15_p1
\ No newline at end of file