diff --git a/examples/DoubleExposure/DoubleExposure.cpp b/examples/DoubleExposure/DoubleExposure.ino
similarity index 100%
rename from examples/DoubleExposure/DoubleExposure.cpp
rename to examples/DoubleExposure/DoubleExposure.ino
diff --git a/library.json b/library.json
index 59cf584..f4395bc 100644
--- a/library.json
+++ b/library.json
@@ -15,7 +15,7 @@
     "maintainer": true
   },
   "homepage": "https://github.com/luni64/TeensyTimerTool",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "frameworks": "arduino",
   "platforms": "Teensy"
 }
diff --git a/library.properties b/library.properties
index bfda53e..e4fa48c 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=TeensyTimerTool
-version=0.2.0
+version=0.2.1
 author=Lutz Niggl <lutz.niggl@lunoptics.com>
 maintainer=Lutz Niggl <lutz.niggl@lunoptics.com>
 sentence=Generic Interface to Teensy Timers