diff --git a/airrohr-firmware/Versions.md b/airrohr-firmware/Versions.md
index ee4af5da..187d8c29 100644
--- a/airrohr-firmware/Versions.md
+++ b/airrohr-firmware/Versions.md
@@ -1,4 +1,4 @@
-NRZ-2023-134-B5
+NRZ-2024-134-B5
 * Go back to Arduino Core 2.7.4 as a workaround for stalling OTA downloads
 * Change setting of compiler optimization to -O3 for better performance
 * Replace LetsEncrypt DST Root CA X3 with ISRG Root X1 certificate
diff --git a/airrohr-firmware/airrohr-firmware.ino b/airrohr-firmware/airrohr-firmware.ino
index 7d74f388..21f5e10e 100644
--- a/airrohr-firmware/airrohr-firmware.ino
+++ b/airrohr-firmware/airrohr-firmware.ino
@@ -57,7 +57,7 @@
 #include <pgmspace.h>
 
 // increment on change
-#define SOFTWARE_VERSION_STR "NRZ-2023-134-B5"
+#define SOFTWARE_VERSION_STR "NRZ-2024-134-B5"
 String SOFTWARE_VERSION(SOFTWARE_VERSION_STR);
 
 /*****************************************************************