diff --git a/src/cern/root/pipeline/BuildConfiguration.groovy b/src/cern/root/pipeline/BuildConfiguration.groovy
index 9738cf9..d226196 100644
--- a/src/cern/root/pipeline/BuildConfiguration.groovy
+++ b/src/cern/root/pipeline/BuildConfiguration.groovy
@@ -26,7 +26,7 @@ class BuildConfiguration {
             'mac1014',
             'mac1015',
             'mac10beta',
-            'mac11.0',
+            'mac11.6',
             'mac11arm',
             'ROOT-ubuntu14',
             'ROOT-ubuntu16',
@@ -68,7 +68,7 @@ class BuildConfiguration {
             [ label: 'ROOT-ubuntu16',  opts: extraCMakeOptions, spec: 'nortcxxmod' ],
             [ label: 'ROOT-ubuntu2004',  opts: extraCMakeOptions, spec: 'soversion' ],
             [ label: 'mac1014',   opts: extraCMakeOptions, spec: 'python3' ],
-            [ label: 'mac11.0',   opts: extraCMakeOptions + ' -DCTEST_TEST_EXCLUDE_NONE=On', spec: 'cxx17' ],
+            [ label: 'mac11.6',   opts: extraCMakeOptions + ' -DCTEST_TEST_EXCLUDE_NONE=On', spec: 'cxx17' ],
             [ label: 'windows10', opts: extraCMakeOptions, spec: 'cxx14' ]
         ]
     }