diff --git a/test/known_failures_Linux.json b/test/known_failures_Linux.json
index 9d6d54b..24ce997 100644
--- a/test/known_failures_Linux.json
+++ b/test/known_failures_Linux.json
@@ -311,6 +311,10 @@
   "go-java_compact_http-ip-ssl",
   "go-java_json_http-ip",
   "go-java_json_http-ip-ssl",
+  "go-py3_binary-accel_zlib-ip-ssl",
+  "go-py3_compact-accelc_zlib-ip-ssl",
+  "go-py_binary-accel_zlib-ip-ssl",
+  "go-py_compact-accelc_zlib-ip-ssl",
   "hs-csharp_binary_buffered-ip",
   "hs-csharp_binary_framed-ip",
   "hs-csharp_compact_buffered-ip",
@@ -377,8 +381,12 @@
   "perl-rs_multi_framed-ip",
   "py-cpp_accel-binary_http-ip",
   "py-cpp_accel-binary_http-ip-ssl",
+  "py-cpp_accel-binary_zlib-ip",
+  "py-cpp_accel-binary_zlib-ip-ssl",
   "py-cpp_accelc-compact_http-ip",
   "py-cpp_accelc-compact_http-ip-ssl",
+  "py-cpp_accelc-compact_zlib-ip",
+  "py-cpp_accelc-compact_zlib-ip-ssl",
   "py-cpp_binary_http-ip",
   "py-cpp_binary_http-ip-ssl",
   "py-cpp_compact_http-ip",
@@ -425,8 +433,12 @@
   "py-lua_json_http-ip",
   "py3-cpp_accel-binary_http-ip",
   "py3-cpp_accel-binary_http-ip-ssl",
+  "py3-cpp_accel-binary_zlib-ip",
+  "py3-cpp_accel-binary_zlib-ip-ssl",
   "py3-cpp_accelc-compact_http-ip",
   "py3-cpp_accelc-compact_http-ip-ssl",
+  "py3-cpp_accelc-compact_zlib-ip",
+  "py3-cpp_accelc-compact_zlib-ip-ssl",
   "py3-cpp_binary_http-ip",
   "py3-cpp_binary_http-ip-ssl",
   "py3-cpp_compact_http-ip",
@@ -477,4 +489,4 @@
   "rb-cpp_json_framed-domain",
   "rb-cpp_json_framed-ip",
   "rb-cpp_json_framed-ip-ssl"
-]
+]
\ No newline at end of file