diff --git a/CMakeLists.txt b/CMakeLists.txt
index c776511..e0c7f62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,7 +72,7 @@ set(USB_ITF_CCID 1)
 set(USB_ITF_WCID 1)
 include(pico-keys-sdk/pico_keys_sdk_import.cmake)
 
-SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h")
+SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h" 1)
 
 if(ESP_PLATFORM)
     project(pico_openpgp)