diff --git a/Common-build-problems.md b/Common-build-problems.md
index 8e60857..5e05c0a 100644
--- a/Common-build-problems.md
+++ b/Common-build-problems.md
@@ -312,6 +312,7 @@ E.g.:
   sudo apt-get install libssl1.0-dev
   ```
 
+  If libssl1.0-dev [isn't available](https://github.com/rvm/rvm/issues/4918), add the rael-gc/rvm PPA: `sudo apt-add-repository -y ppa:rael-gc/rvm`
   https://github.com/pyenv/pyenv/issues/945#issuecomment-409627448 has a more complex workaround that preserves `libssl-dev`.
 
 * On FreeBSD 10-RELEASE and 11-CURRENT, you may need to recompile ``security/openssl`` without SSLv2 support. (See [#464](https://github.com/yyuu/pyenv/issues/464#issuecomment-152821922)).