diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 85e2170d1753e..108f452af062a 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -759,7 +759,7 @@ else()
 endif()
 option(LLVM_ENABLE_PLUGINS "Enable plugin support" ${LLVM_ENABLE_PLUGINS_default})
 
-set(LLVM_ENABLE_NEW_PASS_MANAGER FALSE CACHE BOOL
+set(LLVM_ENABLE_NEW_PASS_MANAGER TRUE CACHE BOOL
   "Enable the new pass manager by default.")
 if(NOT LLVM_ENABLE_NEW_PASS_MANAGER)
   message(WARNING "Using the legacy pass manager for the optimization pipeline"