diff --git a/test/known_failures_Linux.json b/test/known_failures_Linux.json
index be51ecc..aabbfbf 100644
--- a/test/known_failures_Linux.json
+++ b/test/known_failures_Linux.json
@@ -2,8 +2,10 @@
   "cpp-cpp_binary_http-domain",
   "cpp-cpp_binary_http-ip",
   "cpp-cpp_compact_http-domain",
+  "cpp-cpp_compact_http-ip",
   "cpp-cpp_header_http-domain",
   "cpp-cpp_header_http-ip",
+  "cpp-cpp_json_http-domain",
   "cpp-cpp_json_http-ip",
   "cpp-dart_binary_http-ip",
   "cpp-dart_json_http-ip",