diff --git a/README.md b/README.md
index 110854d..bf5ab61 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,13 @@
    include the tools directories in your `${PATH}` at this time.* We
    want this phase of the build to be done entirely with system tools.
 
+   Because of some flakeyness on how ``openssl`` builds during the
+   bootstrapping processs, you also initally need some additional
+   perl module support.  On CentOS7::
+
+     sudo yum -y groupinstall "Development Tools"
+     sudo yum -y install perl-Module-Load-Conditional perl-core
+
 4. Get the linuxbrew image:
 
      `make getbrew`