diff --git a/Aptfile b/Aptfile
index 5dac83607..60d24f8b3 100644
--- a/Aptfile
+++ b/Aptfile
@@ -5,6 +5,8 @@ libidn11
 libidn11-dev
 libpq-dev
 libprotobuf-dev
+libssl-dev
 libxdamage1
 libxfixes3
 protobuf-compiler
+zlib1g-dev