--- a/internal/ceres/small_blas_test.cc
+++ b/internal/ceres/small_blas_test.cc
@@ -251,7 +251,7 @@
 }
 
 TEST(BLAS, MatrixTransposeVectorMultiply) {
-  const double kTolerance = 1e-16;
+  const double kTolerance = 1e-14;
   const int kRowA = 5;
   const int kColA = 3;
   Matrix A(kRowA, kColA);
