diff --git a/Testing/tests/free_boundary_test/CMakeLists.txt b/Testing/tests/free_boundary_test/CMakeLists.txt
index 662bf22..881c0cb 100644
--- a/Testing/tests/free_boundary_test/CMakeLists.txt
+++ b/Testing/tests/free_boundary_test/CMakeLists.txt
@@ -46,7 +46,7 @@ set_tests_properties (vmec_free_boundary_check_bdotgradv_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")
 add_test (NAME    vmec_free_boundary_check_beta_vol_test
-          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=beta_vol -tol=1.7E-16)
+          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=beta_vol -tol=2.2E-16)
 set_tests_properties (vmec_free_boundary_check_beta_vol_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")
@@ -141,12 +141,12 @@ set_tests_properties (vmec_free_boundary_check_DGeod_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")
 add_test (NAME    vmec_free_boundary_check_DMerc_test
-          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=DMerc -tol=3.4E-9)
+          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=DMerc -tol=3.7E-9)
 set_tests_properties (vmec_free_boundary_check_DMerc_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")
 add_test (NAME    vmec_free_boundary_check_DShear_test
-          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=DShear -tol=7.2E-10)
+          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=DShear -tol=8.5E-10)
 set_tests_properties (vmec_free_boundary_check_DShear_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")
@@ -281,7 +281,7 @@ set_tests_properties (vmec_free_boundary_check_vp_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")
 add_test (NAME    vmec_free_boundary_check_wb_test
-          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=wb -tol=8.7E-18)
+          COMMAND $<TARGET_PROPERTY:xvmec,BINARY_DIR>/xwout_diff -wout_file1=wout_test_serial.vmec.nc -wout_file2=wout_test_parallel.vmec.nc -quantity=wb -tol=1.1E-17)
 set_tests_properties (vmec_free_boundary_check_wb_test
                       PROPERTIES
                       DEPENDS "vmec_free_boundary_serial_test;vmec_free_boundary_parallel_test")