diff --git a/db_stress_tool/db_stress_common.h b/db_stress_tool/db_stress_common.h
index 85f2baa726..7af07645bd 100644
--- a/db_stress_tool/db_stress_common.h
+++ b/db_stress_tool/db_stress_common.h
@@ -251,6 +251,7 @@ DECLARE_int32(get_property_one_in);
 DECLARE_string(file_checksum_impl);
 DECLARE_int32(data_block_index_type);
 DECLARE_double(data_block_hash_table_util_ratio);
+DECLARE_bool(use_dynamic_delay);
 
 #ifndef ROCKSDB_LITE
 // Options for StackableDB-based BlobDB
diff --git a/db_stress_tool/db_stress_gflags.cc b/db_stress_tool/db_stress_gflags.cc
index 275b94dfaa..bdd8ee22ec 100644
--- a/db_stress_tool/db_stress_gflags.cc
+++ b/db_stress_tool/db_stress_gflags.cc
@@ -1061,4 +1061,7 @@ DEFINE_uint64(stats_dump_period_sec,
               ROCKSDB_NAMESPACE::Options().stats_dump_period_sec,
               "Gap between printing stats to log in seconds");
 
+DEFINE_bool(use_dynamic_delay, ROCKSDB_NAMESPACE::Options().use_dynamic_delay,
+            "Use dynamic delay");
+
 #endif  // GFLAGS
diff --git a/db_stress_tool/db_stress_test_base.cc b/db_stress_tool/db_stress_test_base.cc
index 04a9f7384c..97efbfc251 100644
--- a/db_stress_tool/db_stress_test_base.cc
+++ b/db_stress_tool/db_stress_test_base.cc
@@ -3123,6 +3123,7 @@ void InitializeOptionsFromFlags(
       FLAGS_verify_sst_unique_id_in_manifest;
   options.memtable_protection_bytes_per_key =
       FLAGS_memtable_protection_bytes_per_key;
+  options.use_dynamic_delay = FLAGS_use_dynamic_delay;
 
   // Integrated BlobDB
   options.enable_blob_files = FLAGS_enable_blob_files;
diff --git a/tools/db_crashtest.py b/tools/db_crashtest.py
index 3ac4677750..0afa675579 100644
--- a/tools/db_crashtest.py
+++ b/tools/db_crashtest.py
@@ -206,6 +206,7 @@
     "customopspercent": 0,
     "filter_uri": lambda: random.choice(["speedb.PairedBloomFilter", ""]),
     "memtablerep": lambda: random.choice(["skip_list", "speedb.HashSpdRepFactory"]),
+    "use_dynamic_delay": lambda: random.choice([0, 1, 1, 1]),
 }
 
 _TEST_DIR_ENV_VAR = 'TEST_TMPDIR'