diff --git a/backend/internal/pkg/tlsfingerprint/dialer_integration_test.go b/backend/internal/pkg/tlsfingerprint/dialer_integration_test.go
index eea74fcc..3f668fbe 100644
--- a/backend/internal/pkg/tlsfingerprint/dialer_integration_test.go
+++ b/backend/internal/pkg/tlsfingerprint/dialer_integration_test.go
@@ -30,7 +30,8 @@ func skipIfExternalServiceUnavailable(t *testing.T, err error) {
 			strings.Contains(errStr, "connection refused") ||
 			strings.Contains(errStr, "no such host") ||
 			strings.Contains(errStr, "network is unreachable") ||
-			strings.Contains(errStr, "timeout") {
+			strings.Contains(errStr, "timeout") ||
+			strings.Contains(errStr, "deadline exceeded") {
 			t.Skipf("skipping test: external service unavailable: %v", err)
 		}
 		t.Fatalf("failed to get fingerprint: %v", err)