diff --git a/jitsi_admin_application_dockerfile.txt b/jitsi_admin_application_dockerfile.txt
index 5a0b5ea..2c6597d 100644
--- a/jitsi_admin_application_dockerfile.txt
+++ b/jitsi_admin_application_dockerfile.txt
@@ -22,7 +22,13 @@ RUN apk --no-cache add \
     cronie \
     libcap \
     php83-sqlite3 \
-    php83-pdo_sqlite
+    php83-pdo_sqlite \
+    php83-ldap \
+    php83-xmlwriter \
+    php83-xsl \
+    php83-pcntl \
+    php83-posix \
+    php83-sockets
 
 RUN mkdir /etc/service/crond \
     && echo "#!/bin/sh -e" > /etc/service/crond/run \