diff --git a/master/custom/builders.py b/master/custom/builders.py
index 9243b64a..8d88d75c 100644
--- a/master/custom/builders.py
+++ b/master/custom/builders.py
@@ -382,6 +382,14 @@ def generate_builderdefs(tags, tuples):
     ("s390x Fedora Rawhide LTO", "cstratak-fedora-rawhide-s390x", LTONonDebugUnixBuild),
     ("s390x Fedora Rawhide LTO + PGO", "cstratak-fedora-rawhide-s390x", LTOPGONonDebugBuild),
 
+    # CentOS Stream 10 Linux s390x GCC/Clang
+    ("s390x CentOS10", "cstratak-c10s-s390x", CentOS10Build),
+    ("s390x CentOS10 Refleaks", "cstratak-c10s-s390x", UnixRefleakBuild),
+    ("s390x CentOS10 Clang", "cstratak-c10s-s390x", ClangUnixBuild),
+    ("s390x CentOS10 Clang Installed", "cstratak-c10s-s390x", ClangUnixInstalledBuild),
+    ("s390x CentOS10 LTO", "cstratak-c10s-s390x", LTONonDebugUnixBuild),
+    ("s390x CentOS10 LTO + PGO", "cstratak-c10s-s390x", LTOPGONonDebugBuild),
+
     # FreeBSD x86-64 clang
     # FreeBSD 15 is CURRENT: development branch (at 2023-10-17)
     ("AMD64 FreeBSD15", "opsec-fbsd15", UnixBuild),
diff --git a/master/custom/workers.py b/master/custom/workers.py
index 806cff61..59463a6d 100644
--- a/master/custom/workers.py
+++ b/master/custom/workers.py
@@ -218,6 +218,11 @@ def get_workers(settings):
             tags=['linux', 'unix', 'rhel', 's390x'],
             parallel_tests=10,
         ),
+        cpw(
+            name="cstratak-c10s-s390x",
+            tags=['linux', 'unix', 'rhel', 's390x'],
+            parallel_tests=10,
+        ),
         cpw(
             name="gps-raspbian",
             tags=['linux', 'unix', 'raspbian', 'debian', 'armv6', 'armv7l',