diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8452201..4577acf1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,6 +120,8 @@ if (EXISTS .gitignore)
   set(CPACK_PACKAGE_VERSION_MAJOR 1)
   set(CPACK_PACKAGE_VERSION_MINOR 0)
   set(CPACK_PACKAGE_VERSION_PATCH 0)
+  set(CPPFORMAT_VERSION
+    ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH})
   set(CPACK_SOURCE_PACKAGE_FILE_NAME cppformat-${CPPFORMAT_VERSION})
   set(CPACK_RESOURCE_FILE_README ${FORMAT_SOURCE_DIR}/README.rst)
   include(CPack)