diff --git a/Common-build-problems.md b/Common-build-problems.md
index 497d990..c5761b1 100644
--- a/Common-build-problems.md
+++ b/Common-build-problems.md
@@ -182,6 +182,7 @@ If you're having trouble to get it to compile older python versions(<3.5) even a
 
 ```sh
 sudo apt-get remove libssl-dev
+sudo apt-get update
 sudo apt-get install libssl1.0-dev
 ```