diff --git a/CHANGELOG.md b/CHANGELOG.md
index d8732b6..55b9a71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,11 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.1.7] - 2023-11-22
+- update readme.md
+
+
 ## [0.1.6] - 2023-09-23
 - add Wire1 support for ESP32
 - update readme.md
 
-
 ## [0.1.5] - 2022-12-30
 - add pin numbers TCA_P00 -- TCA_P17
 - add **uint8_t getType()** + example
diff --git a/README.md b/README.md
index 2618376..4e15213 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,6 @@ See examples
 - test all functionality
   - library is written without hardware
 
-
 #### Should
 
 - investigate map INPUT_PULLUP on INPUT (pinMode ?)
@@ -138,14 +137,12 @@ See examples
   - pull up resistors
   - elaborate derived class
 
-
 #### Could
 
 - rethink class hierarchy
   - TCA9535 has less functions so should be base class?
 - valid address range?
 
-
 #### Wont (unless)
 
 - add TCA9535 error codes
diff --git a/TCA9555.cpp b/TCA9555.cpp
index 2f8fbca..aeef912 100644
--- a/TCA9555.cpp
+++ b/TCA9555.cpp
@@ -1,7 +1,7 @@
 //
 //    FILE: TCA9555.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.1.6
+// VERSION: 0.1.7
 // PURPOSE: Arduino library for I2C TCA9555 16 channel port expander
 //    DATE: 2021-06-09
 //     URL: https://github.com/RobTillaart/TCA9555
@@ -362,5 +362,5 @@ TCA9535::TCA9535(uint8_t address, TwoWire *wire)
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
 
diff --git a/TCA9555.h b/TCA9555.h
index 4b2744f..3b3cf8c 100644
--- a/TCA9555.h
+++ b/TCA9555.h
@@ -2,7 +2,7 @@
 //
 //    FILE: TCA9555.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.1.6
+// VERSION: 0.1.7
 // PURPOSE: Arduino library for I2C TCA9555 16 channel port expander
 //    DATE: 2021-06-09
 //     URL: https://github.com/RobTillaart/TCA9555
@@ -12,7 +12,7 @@
 #include "Wire.h"
 
 
-#define TCA9555_LIB_VERSION               (F("0.1.6"))
+#define TCA9555_LIB_VERSION               (F("0.1.7"))
 
 #define TCA9555_OK                        0x00
 #define TCA9555_PIN_ERROR                 0x81
diff --git a/library.json b/library.json
index 40ffdba..90dbf5f 100644
--- a/library.json
+++ b/library.json
@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/TCA9555.git"
   },
-  "version": "0.1.6",
+  "version": "0.1.7",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*",
diff --git a/library.properties b/library.properties
index 258f0b8..6a74e9b 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=TCA9555
-version=0.1.6
+version=0.1.7
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Arduino library for I2C TCA9555 16 channel port expander - 16 IO-lines