diff --git a/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td b/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
--- a/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
+++ b/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
@@ -497,7 +497,7 @@
 
 // Yield operation for the acc.loop and acc.parallel operations.
 def OpenACC_YieldOp : OpenACC_Op<"yield", [Terminator,
-    ParentOneOf<["ParallelOp, LoopOp"]>]> {
+    ParentOneOf<["ParallelOp, LoopOp, SerialOp"]>]> {
   let summary = "Acc yield and termination operation";
 
   let description = [{
diff --git a/mlir/test/Dialect/OpenACC/ops.mlir b/mlir/test/Dialect/OpenACC/ops.mlir
--- a/mlir/test/Dialect/OpenACC/ops.mlir
+++ b/mlir/test/Dialect/OpenACC/ops.mlir
@@ -530,6 +530,9 @@
   } attributes {waitAttr}
   acc.serial {
   } attributes {selfAttr}
+  acc.serial {
+    acc.yield
+  } attributes {selfAttr}
   return
 }
 
@@ -577,6 +580,9 @@
 // CHECK-NEXT: } attributes {waitAttr}
 // CHECK:      acc.serial {
 // CHECK-NEXT: } attributes {selfAttr}
+// CHECK:      acc.serial {
+// CHECK:        acc.yield
+// CHECK-NEXT: } attributes {selfAttr}
 
 // -----