diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15d4df2..4cc511e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,7 +76,7 @@ set(SOURCES ${SOURCES}
         ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/defs.c
 )
 
-SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h" 2)
+SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h" 3)
 
 if(ESP_PLATFORM)
     project(pico_openpgp)
diff --git a/VERSION b/VERSION
deleted file mode 100644
index 9bd20e9..0000000
--- a/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-Version=3.6
diff --git a/build_pico_openpgp.sh b/build_pico_openpgp.sh
index 7c83974..16051c9 100755
--- a/build_pico_openpgp.sh
+++ b/build_pico_openpgp.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 VERSION_MAJOR="4"
-VERSION_MINOR="2"
+VERSION_MINOR="4"
 SUFFIX="${VERSION_MAJOR}.${VERSION_MINOR}"
 #if ! [[ -z "${GITHUB_SHA}" ]]; then
 #    SUFFIX="${SUFFIX}.${GITHUB_SHA}"
diff --git a/src/openpgp/version.h b/src/openpgp/version.h
index 408a907..33dcbe0 100644
--- a/src/openpgp/version.h
+++ b/src/openpgp/version.h
@@ -29,7 +29,7 @@
 #define PIV_VERSION_MINOR (PIV_VERSION & 0xff)
 
 
-#define PIPGP_VERSION 0x0402
+#define PIPGP_VERSION 0x0404
 
 #define PIPGP_VERSION_MAJOR ((PIPGP_VERSION >> 8) & 0xff)
 #define PIPGP_VERSION_MINOR (PIPGP_VERSION & 0xff)