diff --git a/requirements.txt b/requirements.txt
index 3fce5e9..5c131eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ Adafruit-GPIO==1.0.3
 Adafruit-PCA9685==1.0.1
 Adafruit-PureIO==0.2.3
 pathlib==1.0.1
-smars-library==0.1.12
+smars-library==0.1.13