diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21ec147..2117985 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,7 +73,7 @@ set(SOURCES ${SOURCES}
         ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/defs.c
 )
 
-SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h" 1)
+SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h" 2)
 
 if(ESP_PLATFORM)
     project(pico_openpgp)