diff --git a/mlir/include/mlir/Conversion/Passes.td b/mlir/include/mlir/Conversion/Passes.td
--- a/mlir/include/mlir/Conversion/Passes.td
+++ b/mlir/include/mlir/Conversion/Passes.td
@@ -149,6 +149,7 @@
   }];
   let constructor = "mlir::createConvertAsyncToLLVMPass()";
   let dependentDialects = [
+    "async::AsyncDialect",
     "arith::ArithmeticDialect",
     "LLVM::LLVMDialect",
   ];