diff --git a/certs/validator_test.go b/certs/validator_test.go
index d20edd1d7..5f58507c5 100644
--- a/certs/validator_test.go
+++ b/certs/validator_test.go
@@ -339,9 +339,7 @@ var _ = Describe("CertificateValidator", func() {
 				It("returns an error", func() {
 					err := certificateValidator.Validate(realCert, invalidKey, []byte{})
 
-					expectedErr := multierror.NewMultiError("")
-					expectedErr.Add(errors.New("tls: failed to parse private key"))
-					Expect(err).To(Equal(expectedErr))
+					Expect(err.Error()).To(ContainSubstring("tls: failed to parse private key"))
 				})
 			})
 
diff --git a/go.mod b/go.mod
index 8e42dac58..ad9cfdb83 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module github.com/cloudfoundry/bosh-bootloader
 
-go 1.24.0
+go 1.27.0
 
-toolchain go1.24.1
+toolchain go1.27.1
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0