diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c16eb2..2975865 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ set(CPACK_PACKAGE_VENDOR "Frank Denis")
 set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
 set(CPACK_PACKAGE_VERSION_MAJOR "0")
-set(CPACK_PACKAGE_VERSION_MINOR "3")
+set(CPACK_PACKAGE_VERSION_MINOR "4")
 set(CPACK_PACKAGE_VERSION_PATCH "0")
 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
 set(CPACK_SOURCE_IGNORE_FILES "/build/;minisign.key;minisign.pub;a.out;/.git/;~$;${CPACK_SOURCE_IGNORE_FILES}")
diff --git a/src/minisign.h b/src/minisign.h
index 8ca70c1..6221a95 100644
--- a/src/minisign.h
+++ b/src/minisign.h
@@ -16,7 +16,7 @@
 #define SIG_DEFAULT_PKFILE "minisign.pub";
 #define SIG_DEFAULT_SKFILE "minisign.key";
 #define SIG_SUFFIX ".minisig"
-#define VERSION_STRING "minisign 0.3"
+#define VERSION_STRING "minisign 0.4"
 
 typedef struct KeynumSK_ {
     unsigned char keynum[KEYNUMBYTES];