diff --git a/tools/install-mssql.sh b/tools/install-mssql.sh
index 1a27eb2e..bbabbcc9 100755
--- a/tools/install-mssql.sh
+++ b/tools/install-mssql.sh
@@ -15,7 +15,7 @@ apt-get update
 apt-get install --no-install-recommends -y --allow-downgrades \
       curl=7.52.1-5+deb9u10 \
       gnupg=2.1.18-8~deb9u4 \
-      apt-transport-https=1.4.9
+      apt-transport-https
 
 # install dependency to compile django-pyodbc-azure
 if [[ "${mode}" = "dev" ]]; then