diff --git a/libs/full/parcelset/tests/regressions/CMakeLists.txt b/libs/full/parcelset/tests/regressions/CMakeLists.txt
index 48b543ab106..58d0bacaf3b 100644
--- a/libs/full/parcelset/tests/regressions/CMakeLists.txt
+++ b/libs/full/parcelset/tests/regressions/CMakeLists.txt
@@ -38,7 +38,7 @@ if(HPX_WITH_NETWORKING)
   add_hpx_regression_test(
     "modules.parcelset" very_big_parcel_int_max_plus_1
     EXECUTABLE very_big_parcel
-    PARCELPORTS tcp lci
+    PARCELPORTS tcp lci TIMEOUT 900
     PSEUDO_DEPS_NAME very_big_parcel ${very_big_parcel_PARAMETERS}
                                      --nbytes-add=1
   )