diff --git a/bazel/extension_config/extensions_build_config.bzl b/bazel/extension_config/extensions_build_config.bzl
index 153d4e2689..2de154cc31 100644
--- a/bazel/extension_config/extensions_build_config.bzl
+++ b/bazel/extension_config/extensions_build_config.bzl
@@ -125,7 +125,8 @@ ENVOY_EXTENSIONS = {
     "envoy.filters.http.ext_authz":                     "//source/extensions/filters/http/ext_authz:config",
     "envoy.filters.http.ext_proc":                      "//source/extensions/filters/http/ext_proc:config",
     "envoy.filters.http.fault":                         "//source/extensions/filters/http/fault:config",
-    "envoy.filters.http.gcp_authn":                      "//source/extensions/filters/http/gcp_authn:config",
+    "envoy.filters.http.file_system_buffer":            "//source/extensions/filters/http/file_system_buffer:config",
+    "envoy.filters.http.gcp_authn":                     "//source/extensions/filters/http/gcp_authn:config",
     "envoy.filters.http.grpc_field_extraction":         "//source/extensions/filters/http/grpc_field_extraction:config",
     "envoy.filters.http.grpc_http1_bridge":             "//source/extensions/filters/http/grpc_http1_bridge:config",
     "envoy.filters.http.grpc_http1_reverse_bridge":     "//source/extensions/filters/http/grpc_http1_reverse_bridge:config",