diff --git a/pico/mcuboot.conf b/pico/mcuboot.conf
index 901c302..68c7356 100644
--- a/pico/mcuboot.conf
+++ b/pico/mcuboot.conf
@@ -1,3 +1,3 @@
 CONFIG_BOOTLOADER_MCUBOOT=y
 CONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE=y
-CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION="1.0.0+0"
+CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION="1.0.1+0"