diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9092091b..a542c389 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -55,6 +55,8 @@ target_link_libraries(sfizz PRIVATE sndfile absl::flat_hash_map Threads::Threads
 if(UNIX)
     target_link_libraries(sfizz PUBLIC atomic)
 endif(UNIX)
+set_property(TARGET sfizz_parser PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
+set_property(TARGET sfizz PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
 
 add_library(sfizz::parser ALIAS sfizz_parser)
 add_library(sfizz::sfizz ALIAS sfizz)