diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py
--- a/contrib/devtools/symbol-check.py
+++ b/contrib/devtools/symbol-check.py
@@ -34,7 +34,7 @@
 # - libc version 2.28 (http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/)
 #
 # See https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html for more info.
-MAX_VERSIONS = {"GCC": (8, 3, 0), "GLIBC": (2, 27), "LIBATOMIC": (1, 0)}
+MAX_VERSIONS = {"GCC": (8, 3, 0), "GLIBC": (2, 28), "LIBATOMIC": (1, 0)}
 # See here for a description of _IO_stdin_used:
 # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634261#109