diff --git a/paddle/fluid/inference/tests/api/CMakeLists.txt b/paddle/fluid/inference/tests/api/CMakeLists.txt
index 77831167ddd5dfbc51fe69c75be155dac212579f..7a281ddfcdf6a000f28db9d76fe0e2cc5f6693ed 100644
--- a/paddle/fluid/inference/tests/api/CMakeLists.txt
+++ b/paddle/fluid/inference/tests/api/CMakeLists.txt
@@ -1261,7 +1261,7 @@ cc_test(
 
 if(WITH_GPU AND TENSORRT_FOUND)
   set_tests_properties(trt_resnext_test PROPERTIES TIMEOUT 300)
-  set_tests_properties(trt_quant_int8_yolov3_r50_test PROPERTIES TIMEOUT 300)
+  set_tests_properties(trt_quant_int8_yolov3_r50_test PROPERTIES TIMEOUT 400)
   set_tests_properties(trt_resnet50_test PROPERTIES TIMEOUT 300)
   set_tests_properties(trt_cascade_rcnn_test PROPERTIES TIMEOUT 300)
   set_tests_properties(test_trt_dynamic_shape_ernie_ser_deser PROPERTIES TIMEOUT