diff --git a/src/version.h b/src/version.h
new file mode 100644
index 0000000..8baa819
--- /dev/null
+++ b/src/version.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#define TWOVOIP_MAJOR 1
+#define TWOVOIP_MINOR 1
+#define TWOVOIP_PATCH 0
+#define TWOVOIP_VERSION ((TWOVOIP_MAJOR << (8 * 3)) + (TWOVOIP_MINOR << (8 * 2)) + (TWOVOIP_PATCH << (8 * 1)))
+
+#define _TWOVOIP_VERSION_STR_TEXT(text) #text
+#define _TWOVOIP_VERSION_STR(major, minor, patch) _TWOVOIP_VERSION_STR_TEXT(major) "." _TWOVOIP_VERSION_STR_TEXT(minor) "." _TWOVOIP_VERSION_STR_TEXT(patch)
+#define TWOVOIP_VERSION_STR _TWOVOIP_VERSION_STR(TWOVOIP_MAJOR, TWOVOIP_MINOR, TWOVOIP_PATCH)