diff --git a/README.md b/README.md
index 0d3c3be..4245157 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ Differences from the original library
 - Added `getSpeed()` function
 - Disable interrupts during `getStatus` and `xferParam` to avoid return value collapse for ATSAMD
 - Changed some constants name(`CMD_GET_STATUS`, `REG_STATUS`) to avoid conflicts with other libraries.
+- Added functions related with `EL_POS`
 
 License Information
 -------------------
diff --git a/library.properties b/library.properties
index b495178..5e6caa2 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Ponoor L6470 Library
-version=1.0.0
+version=1.0.1
 author=Ponoor Experiments Inc <info@ponoor.com>
 maintainer=Kanta Horio <kanta@ponoor.com>
 sentence=STM L6470 stepper driver chip library.