diff --git a/finagle-memcached/src/test/scala/BUILD b/finagle-memcached/src/test/scala/BUILD
index 54a5c21699..49e0c000ed 100644
--- a/finagle-memcached/src/test/scala/BUILD
+++ b/finagle-memcached/src/test/scala/BUILD
@@ -25,7 +25,10 @@ junit_tests(
     sources = ["**/*.scala"] + exclude_globs(EXTERNAL_SOURCES),
     compiler_option_sets = ["fatal_warnings"],
     platform = "java8",
-    tags = ["bazel-compatible"],
+    tags = [
+        "bazel-compatible",
+        "known-to-fail-jira:CSL-12419",
+    ],
     dependencies = [
         ":external",
         "3rdparty/jvm/com/fasterxml/jackson/core:jackson-databind",