diff --git a/.github/trigger_files/beam_PostCommit_Java_Avro_Versions.json b/.github/trigger_files/beam_PostCommit_Java_Avro_Versions.json
new file mode 100644
index 000000000000..1efc8e9e4405
--- /dev/null
+++ b/.github/trigger_files/beam_PostCommit_Java_Avro_Versions.json
@@ -0,0 +1,4 @@
+{
+    "comment": "Modify this file in a trivial way to cause this test suite to run",
+    "modification": 1
+}
diff --git a/sdks/java/extensions/avro/src/main/java/org/apache/beam/sdk/extensions/avro/schemas/utils/AvroUtils.java b/sdks/java/extensions/avro/src/main/java/org/apache/beam/sdk/extensions/avro/schemas/utils/AvroUtils.java
index bfbab6fe87f6..da7daf605d89 100644
--- a/sdks/java/extensions/avro/src/main/java/org/apache/beam/sdk/extensions/avro/schemas/utils/AvroUtils.java
+++ b/sdks/java/extensions/avro/src/main/java/org/apache/beam/sdk/extensions/avro/schemas/utils/AvroUtils.java
@@ -141,7 +141,10 @@
  *
  * is used.
  */
-@SuppressWarnings({"rawtypes"})
+@SuppressWarnings({
+  "nullness", // TODO(https://github.com/apache/beam/issues/20497)
+  "rawtypes"
+})
 public class AvroUtils {
   private static final ForLoadedType BYTES = new ForLoadedType(byte[].class);
   private static final ForLoadedType JAVA_INSTANT = new ForLoadedType(java.time.Instant.class);
@@ -484,7 +487,8 @@ public static Field toBeamField(org.apache.avro.Schema.Field field) {
   public static org.apache.avro.Schema.Field toAvroField(Field field, String namespace) {
     org.apache.avro.Schema fieldSchema =
         getFieldSchema(field.getType(), field.getName(), namespace);
-    return new org.apache.avro.Schema.Field(field.getName(), fieldSchema, field.getDescription());
+    return new org.apache.avro.Schema.Field(
+        field.getName(), fieldSchema, field.getDescription(), (Object) null);
   }
 
   private AvroUtils() {}