diff --git a/llvm/utils/gn/secondary/clang/unittests/Interpreter/BUILD.gn b/llvm/utils/gn/secondary/clang/unittests/Interpreter/BUILD.gn
index 441d57187cd2d..a20066436a3bf 100644
--- a/llvm/utils/gn/secondary/clang/unittests/Interpreter/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/unittests/Interpreter/BUILD.gn
@@ -12,6 +12,7 @@ unittest("ClangReplInterpreterTests") {
   ]
   sources = [
     "CodeCompletionTest.cpp",
+    "IncrementalCompilerBuilderTest.cpp",
     "IncrementalProcessingTest.cpp",
     "InterpreterTest.cpp",
   ]