diff --git a/staging/src/k8s.io/apiserver/pkg/authentication/request/x509/BUILD b/staging/src/k8s.io/apiserver/pkg/authentication/request/x509/BUILD
index d31d7ef0322..16a5b8a3e57 100644
--- a/staging/src/k8s.io/apiserver/pkg/authentication/request/x509/BUILD
+++ b/staging/src/k8s.io/apiserver/pkg/authentication/request/x509/BUILD
@@ -11,6 +11,12 @@ load(
 go_test(
     name = "go_default_test",
     srcs = ["x509_test.go"],
+    data = [
+        "testdata/client-expired.pem",
+        "testdata/client-valid.pem",
+        "testdata/intermediate.pem",
+        "testdata/root.pem",
+    ],
     library = ":go_default_library",
     tags = ["automanaged"],
     deps = [
diff --git a/staging/src/k8s.io/client-go/util/cert/BUILD b/staging/src/k8s.io/client-go/util/cert/BUILD
index 11c0d8f8e6b..2ae5eed7dfe 100644
--- a/staging/src/k8s.io/client-go/util/cert/BUILD
+++ b/staging/src/k8s.io/client-go/util/cert/BUILD
@@ -23,5 +23,8 @@ go_library(
         "io.go",
         "pem.go",
     ],
+    data = [
+        "testdata/dontUseThisKey.pem",
+    ],
     tags = ["automanaged"],
 )