diff --git a/flang/lib/Optimizer/Dialect/CMakeLists.txt b/flang/lib/Optimizer/Dialect/CMakeLists.txt
index 745439b7e1e5e..58a4276224b34 100644
--- a/flang/lib/Optimizer/Dialect/CMakeLists.txt
+++ b/flang/lib/Optimizer/Dialect/CMakeLists.txt
@@ -13,6 +13,7 @@ add_flang_library(FIRDialect
   CanonicalizationPatternsIncGen
   MLIRIR
   FIROpsIncGen
+  HLFIROpsIncGen
   intrinsics_gen
 
   LINK_LIBS