diff --git a/platformio.ini b/platformio.ini
index f7f55f18..518aaf2b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -26,7 +26,7 @@ description = Paxcounter is a proof-of-concept ESP32 device for metering passeng
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 1.5.2
+release_version = 1.5.3
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 0