diff --git a/ldap_demo/Dockerfile b/ldap_demo/Dockerfile
index 1c30ab4..add03b8 100644
--- a/ldap_demo/Dockerfile
+++ b/ldap_demo/Dockerfile
@@ -1,4 +1,4 @@
-FROM osixia/openldap:1.2.3
+FROM osixia/openldap:1.2.4
 
 COPY bootstrap /container/service/slapd/assets/config/bootstrap
 RUN rm /container/service/slapd/assets/config/bootstrap/schema/mmc/mail.schema
diff --git a/version.sh b/version.sh
index e5ddf58..4bc1754 100755
--- a/version.sh
+++ b/version.sh
@@ -16,6 +16,8 @@ if [ -e ./.env ]; then
 	sed -i '/SASLAUTHD_LDAP_FILTER/s/^/#/g' "$tmpfile"
 	# shellcheck disable=SC1090
 	source "$tmpfile"
+else
+	tmpfile="undefined"
 fi
 
 case $component in
@@ -54,4 +56,6 @@ filename=$(h5ai_query "$component")
 currentVersion=$(version_from_filename "$filename")
 
 echo "$currentVersion"
-rm "$tmpfile"
+if [ -e "$tmpfile" ]; then
+	rm "$tmpfile"
+fi