diff --git a/cmake/nkr.cmake b/cmake/nkr.cmake
index ac501ab..f2fedb4 100644
--- a/cmake/nkr.cmake
+++ b/cmake/nkr.cmake
@@ -1,5 +1,5 @@
 # Release
-file(STRINGS nekoray_version.txt NKR_VERSION)
+option(NKR_VERSION "Nekoray Application Version" "$ENV{INPUT_VERSION}")
 add_compile_definitions(NKR_VERSION=\"${NKR_VERSION}\")
 
 # Debug
diff --git a/nekoray_version.txt b/nekoray_version.txt
deleted file mode 100644
index e718abb..0000000
--- a/nekoray_version.txt
+++ /dev/null
@@ -1 +0,0 @@
-4.3.7-2025-07-08
\ No newline at end of file