diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index bf43574440f1f..1caa99951267f 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -2081,6 +2081,8 @@ PTP_SYS_OFFSET_EXTENDED
 PTP_SYS_OFFSET_EXTENDED2
 PTP_SYS_OFFSET_PRECISE
 PTP_SYS_OFFSET_PRECISE2
+PTP_MASK_CLEAR_ALL
+PTP_MASK_EN_SINGLE
 PTRACE_ATTACH
 PTRACE_CONT
 PTRACE_DETACH