diff --git a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
@@ -368,6 +368,7 @@
         "include/mlir/CAPI/Diagnostics.h",
         "include/mlir/CAPI/IR.h",
         "include/mlir/CAPI/IntegerSet.h",
+        "include/mlir/CAPI/Interfaces.h",
         "include/mlir/CAPI/Pass.h",
         "include/mlir/CAPI/Registration.h",
         "include/mlir/CAPI/Support.h",