diff --git a/BUILD b/BUILD
index 128f9dc6..bf3dce3b 100644
--- a/BUILD
+++ b/BUILD
@@ -76,6 +76,7 @@ proto_library(
         "//contrib/envoy/extensions/filters/http/language/v3alpha:pkg",
         "//contrib/envoy/extensions/filters/http/squash/v3:pkg",
         "//contrib/envoy/extensions/filters/http/sxg/v3alpha:pkg",
+        "//contrib/envoy/extensions/filters/network/client_ssl_auth/v3:pkg",
         "//contrib/envoy/extensions/filters/network/kafka_broker/v3:pkg",
         "//contrib/envoy/extensions/filters/network/kafka_mesh/v3alpha:pkg",
         "//contrib/envoy/extensions/filters/network/mysql_proxy/v3:pkg",
@@ -191,7 +192,6 @@ proto_library(
         "//envoy/extensions/filters/listener/original_src/v3:pkg",
         "//envoy/extensions/filters/listener/proxy_protocol/v3:pkg",
         "//envoy/extensions/filters/listener/tls_inspector/v3:pkg",
-        "//envoy/extensions/filters/network/client_ssl_auth/v3:pkg",
         "//envoy/extensions/filters/network/connection_limit/v3:pkg",
         "//envoy/extensions/filters/network/direct_response/v3:pkg",
         "//envoy/extensions/filters/network/dubbo_proxy/router/v3:pkg",
diff --git a/envoy/extensions/filters/network/client_ssl_auth/v3/BUILD b/contrib/envoy/extensions/filters/network/client_ssl_auth/v3/BUILD
similarity index 100%
rename from envoy/extensions/filters/network/client_ssl_auth/v3/BUILD
rename to contrib/envoy/extensions/filters/network/client_ssl_auth/v3/BUILD
diff --git a/envoy/extensions/filters/network/client_ssl_auth/v3/client_ssl_auth.proto b/contrib/envoy/extensions/filters/network/client_ssl_auth/v3/client_ssl_auth.proto
similarity index 100%
rename from envoy/extensions/filters/network/client_ssl_auth/v3/client_ssl_auth.proto
rename to contrib/envoy/extensions/filters/network/client_ssl_auth/v3/client_ssl_auth.proto
diff --git a/versioning/BUILD b/versioning/BUILD
index 0e18ac48..99e31b1b 100644
--- a/versioning/BUILD
+++ b/versioning/BUILD
@@ -13,6 +13,7 @@ proto_library(
         "//contrib/envoy/extensions/filters/http/language/v3alpha:pkg",
         "//contrib/envoy/extensions/filters/http/squash/v3:pkg",
         "//contrib/envoy/extensions/filters/http/sxg/v3alpha:pkg",
+        "//contrib/envoy/extensions/filters/network/client_ssl_auth/v3:pkg",
         "//contrib/envoy/extensions/filters/network/kafka_broker/v3:pkg",
         "//contrib/envoy/extensions/filters/network/kafka_mesh/v3alpha:pkg",
         "//contrib/envoy/extensions/filters/network/mysql_proxy/v3:pkg",
@@ -128,7 +129,6 @@ proto_library(
         "//envoy/extensions/filters/listener/original_src/v3:pkg",
         "//envoy/extensions/filters/listener/proxy_protocol/v3:pkg",
         "//envoy/extensions/filters/listener/tls_inspector/v3:pkg",
-        "//envoy/extensions/filters/network/client_ssl_auth/v3:pkg",
         "//envoy/extensions/filters/network/connection_limit/v3:pkg",
         "//envoy/extensions/filters/network/direct_response/v3:pkg",
         "//envoy/extensions/filters/network/dubbo_proxy/router/v3:pkg",