diff --git a/cross-project-tests/debuginfo-tests/dexter-tests/lit.local.cfg b/cross-project-tests/debuginfo-tests/dexter-tests/lit.local.cfg
index bace385c23f7c..6b711331897ef 100644
--- a/cross-project-tests/debuginfo-tests/dexter-tests/lit.local.cfg
+++ b/cross-project-tests/debuginfo-tests/dexter-tests/lit.local.cfg
@@ -1,2 +1,5 @@
 if "dexter" not in config.available_features:
     config.unsupported = True
+
+# LLDB through lldb-dap causes spurious failures.
+config.test_retry_attempts = 2
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/lit.local.cfg b/cross-project-tests/debuginfo-tests/dexter/feature_tests/lit.local.cfg
index 16b9690546702..3b98bf565bcf4 100644
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/lit.local.cfg
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/lit.local.cfg
@@ -3,3 +3,6 @@ if "dexter" not in config.available_features:
 
 config.name = "DExTer feature tests"
 config.suffixes = [".cpp", ".c", ".test"]
+
+# LLDB through lldb-dap causes spurious failures.
+config.test_retry_attempts = 2