diff --git a/CTestCustom.ctest b/CTestCustom.ctest
new file mode 100644
index 00000000000..9e252c7e88e
--- /dev/null
+++ b/CTestCustom.ctest
@@ -0,0 +1,3 @@
+# Increase the default amount of test output captured to 1MB (both pass and fail)
+set(CTEST_CUSTOM_MAXIMUM_PASSED_TEST_OUTPUT_SIZE 1048576)
+set(CTEST_CUSTOM_MAXIMUM_FAILED_TEST_OUTPUT_SIZE 1048576)
\ No newline at end of file