diff --git a/library.json b/library.json
index ad2f3b2..097f43b 100644
--- a/library.json
+++ b/library.json
@@ -25,7 +25,7 @@
             "url": "http://www.robotikabrno.cz"
         }
     ],
-    "version": "1.1.1",
+    "version": "1.2.1",
     "frameworks": "arduino",
     "platforms": [
         "espressif32",
diff --git a/library.properties b/library.properties
index dae2050..d69fbff 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=ArduinoLearningKitStarter
-version=1.1.1
+version=1.2.1
 author=Jan Mrázek <email@honzamrazek.cz>, Jaroslav Páral <paral@robotikabrno.cz>, Kryštof Černý <cleverline1mc@gmail.com>
 maintainer=Kryštof Černý <cleverline1mc@gmail.com>
 sentence=Library for the ArduinoLearningKitStarter (ALKS) board by RoboticsBrno with definition of pins and initialization of peripheries.