diff --git a/changes.txt b/changes.txt
index acd9574..800fadd 100644
--- a/changes.txt
+++ b/changes.txt
@@ -3,6 +3,10 @@
 unreleased
 - tba
 
+15 Mar 2017, v1.3.1
+- Fixed compiler warning in MFRC522Extended @Rotzbua
+- Removed unused function @Rotzbua
+
 13 Mar 2017, v1.3.0
 - Warning: Source has moved to folder src!
 - Added addtional class to support ISO/IEC 14443-4 PICCs @JPG-Consulting
diff --git a/library.json b/library.json
index b00e86c..98cd5ae 100644
--- a/library.json
+++ b/library.json
@@ -7,7 +7,7 @@
     "type": "git",
     "url": "https://github.com/miguelbalboa/rfid.git"
   },
-  "version": "1.3.0",
+  "version": "1.3.1",
   "exclude": "doc",
   "frameworks": "arduino",
   "platforms": ["atmelavr", "ststm32", "teensy", "espressif8266"]
diff --git a/library.properties b/library.properties
index 109cbe0..7872297 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=MFRC522
-version=1.3.0
+version=1.3.1
 author=GithubCommunity
 maintainer=miguelbalboa
 sentence=Arduino RFID Library for MFRC522 (SPI)