diff --git a/php/Dockerfile b/php/Dockerfile
index c3a2baf..4a6b11a 100644
--- a/php/Dockerfile
+++ b/php/Dockerfile
@@ -35,7 +35,7 @@ RUN \
     # community download and package as apt source repository
     . /kopano/helper/create-kopano-repo.sh && \
     if [ ${DOWNLOAD_COMMUNITY_PACKAGES} -eq 1 ]; then \
-        dl_and_package_community "core"; \
+        dl_and_package_community "core" "Debian_10"; \
     fi; \
     echo "deb [${KOPANO_REPOSITORY_FLAGS}] ${KOPANO_CORE_REPOSITORY_URL} ./" > /etc/apt/sources.list.d/kopano.list; \
     # install
@@ -51,10 +51,10 @@ RUN \
 # configure php-fpm
 RUN \
     mkdir -p /run/php && chown www-data:www-data /run/php && \
-    crudini --set /etc/php/7.0/fpm/php.ini PHP upload_max_filesize 500M && \
-    crudini --set /etc/php/7.0/fpm/php.ini PHP post_max_size 500M && \
-    crudini --set /etc/php/7.0/fpm/php.ini PHP max_input_vars 1800 && \
-    crudini --set /etc/php/7.0/fpm/php.ini Session session.save_path /run/sessions
+    crudini --set /etc/php/7.3/fpm/php.ini PHP upload_max_filesize 500M && \
+    crudini --set /etc/php/7.3/fpm/php.ini PHP post_max_size 500M && \
+    crudini --set /etc/php/7.3/fpm/php.ini PHP max_input_vars 1800 && \
+    crudini --set /etc/php/7.3/fpm/php.ini Session session.save_path /run/sessions
 
 EXPOSE 9080/tcp
 
diff --git a/webapp/start.sh b/webapp/start.sh
index 0e9254b..77dd903 100755
--- a/webapp/start.sh
+++ b/webapp/start.sh
@@ -82,5 +82,5 @@ set +u
 # cleaning up env variables
 unset "${!KCCONF_@}"
 echo "Starting php-fpm"
-php-fpm7.0 -F &
+php-fpm7.3 -F &
 exec /usr/libexec/kopano/kwebd caddy -conf /etc/kweb.cfg