diff --git a/bootstrap.conf b/bootstrap.conf
index aee0c4f33..0b46627a2 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -187,6 +187,7 @@ gnulib_modules="
   memchr
   memchr2
   memcmp2
+  memmem
   mempcpy
   memrchr
   memset_explicit