diff --git a/llvm/utils/gn/secondary/llvm/lib/MC/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/MC/BUILD.gn
index bac3549860fb86..902f9c0b6204f9 100644
--- a/llvm/utils/gn/secondary/llvm/lib/MC/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/MC/BUILD.gn
@@ -34,6 +34,7 @@ static_library("MC") {
     "MCInstPrinter.cpp",
     "MCInstrAnalysis.cpp",
     "MCInstrDesc.cpp",
+    "MCInstrInfo.cpp",
     "MCLabel.cpp",
     "MCLinkerOptimizationHint.cpp",
     "MCMachOStreamer.cpp",