diff --git a/CMake/rl_build_options.cmake b/CMake/rl_build_options.cmake
index 6e8db234..b7a7b3ce 100644
--- a/CMake/rl_build_options.cmake
+++ b/CMake/rl_build_options.cmake
@@ -1,4 +1,4 @@
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 option(BUILD_SHARED_LIBS OFF "Configure to build shared or static libraries")
diff --git a/RandBLAS b/RandBLAS
index 03170537..172d0963 160000
--- a/RandBLAS
+++ b/RandBLAS
@@ -1 +1 @@
-Subproject commit 03170537dbaee636cfc1df0afdf12041398f654f
+Subproject commit 172d0963f16743defa646b32e7e0279b52230f99
diff --git a/benchmark/CMakeLists.txt b/benchmark/CMakeLists.txt
index 03106f0b..56f98eb7 100644
--- a/benchmark/CMakeLists.txt
+++ b/benchmark/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.10)
 project(benchmark)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 
 message(STATUS "Checking for OpenMP ... ")
diff --git a/test/comps/test_util.cc b/test/comps/test_util.cc
index 6e440b6b..dc6bf580 100644
--- a/test/comps/test_util.cc
+++ b/test/comps/test_util.cc
@@ -3,7 +3,7 @@
 #include "rl_gen.hh"
 
 #include <RandBLAS.hh>
-#include <RandBLAS/test_util.hh>
+#include <RandBLAS/test/comparison.hh>
 
 #include <math.h>
 #include <chrono>
@@ -187,7 +187,6 @@ TEST_F(TestUtil, test_binary_rank_search_zero_mat) {
     test_binary_rank_search_zero_mat<double>(m, n, A);
 }
 
-
 class Test_Inplace_Square_Transpose : public ::testing::Test
 {
     protected:
@@ -205,7 +204,7 @@ class Test_Inplace_Square_Transpose : public ::testing::Test
         double *A2 = new double[n*n];
         blas::copy(n*n, A1, 1, A2, 1);
         RandLAPACK::util::transpose_square(A2, n);
-        RandBLAS_Testing::Util::matrices_approx_equal(
+        test::comparison::matrices_approx_equal(
             layout, blas::Op::Trans, n, n, A1, n, A2, n, 
             __PRETTY_FUNCTION__, __FILE__, __LINE__
         );
@@ -215,6 +214,7 @@ class Test_Inplace_Square_Transpose : public ::testing::Test
 
 };
 
+
 TEST_F(Test_Inplace_Square_Transpose, random_matrix_colmajor) {
     apply(blas::Layout::ColMajor);
 }