diff --git a/test/known_failures_Linux.json b/test/known_failures_Linux.json
index ae9b370..c961988 100644
--- a/test/known_failures_Linux.json
+++ b/test/known_failures_Linux.json
@@ -299,6 +299,8 @@
   "nodejs-netcore_json_buffered-ip-ssl",
   "nodejs-netcore_json_framed-ip",
   "nodejs-netcore_json_framed-ip-ssl",
+  "perl-rs_multi_buffered-ip",
+  "perl-rs_multi_framed-ip",
   "rb-cpp_json_buffered-ip",
   "rb-cpp_json_framed-ip",
   "rs-cpp_binary_buffered-ip",
@@ -329,4 +331,4 @@
   "rs-dart_compact_framed-ip",
   "rs-dart_multi-binary_framed-ip",
   "rs-dart_multic-compact_framed-ip"
-]
+]
\ No newline at end of file