diff --git a/src/.config b/src/.config
index a64ea586e..eb6b9f1b8 100644
--- a/src/.config
+++ b/src/.config
@@ -17,7 +17,7 @@ KERNEL_SOURCE_URL=http://kernel.org/pub/linux/kernel/v5.x/linux-5.13.12.tar.xz
 #
 #   http://gnu.org/software/libc
 #
-GLIBC_SOURCE_URL=http://ftp.gnu.org/gnu/glibc/glibc-2.34.tar.bz2
+GLIBC_SOURCE_URL=http://ftp.gnu.org/gnu/glibc/glibc-2.33.tar.bz2
 
 # You can find the latest Busybox source bundles here:
 #