diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 92d39a3..84df2d0 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,3 +1,5 @@
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS 1)
+
 # Add CompoundFileReader dependency
 find_path(COMPOUNDFILEREADER_INCLUDE_DIRS "compoundfilereader.h")