diff --git a/windows/CMakeLists.txt b/windows/CMakeLists.txt
index 8ffeb44..9801046 100644
--- a/windows/CMakeLists.txt
+++ b/windows/CMakeLists.txt
@@ -106,3 +106,6 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
 install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
   CONFIGURATIONS Profile;Release
   COMPONENT Runtime)
+
+
+set(PDFIUM_VERSION "4638" CACHE STRING "")
\ No newline at end of file