diff --git a/seafile-server-centos-7-amd64-http b/seafile-server-centos-7-amd64-http
index 75f494c..075577f 100644
--- a/seafile-server-centos-7-amd64-http
+++ b/seafile-server-centos-7-amd64-http
@@ -173,12 +173,7 @@ systemctl status firewalld &> /dev/null \
 yum install epel-release -y
 yum upgrade -y
 
-if [[ ${SEAFILE_VERSION} =~ 7\.[0-9]*\.[0-9]* ]]; then
-    yum install python-setuptools MySQL-python memcached python-urllib3 \
-        pwgen curl openssl python-ldap java-1.8.0-openjdk poppler-utils libreoffice \
-        libreoffice-headless libreoffice-pyuno wqy-microhei-fonts wqy-zenhei-fonts wqy-unibit-fonts \
-        libffi-devel openssl-devel libmemcached -y
-else
+if [[ ${SEAFILE_VERSION} =~ 6\.[0-9]*\.[0-9]* ]]; then
     yum install python-setuptools MySQL-python memcached python-urllib3 \
         pwgen curl openssl python-ldap java-1.8.0-openjdk poppler-utils libreoffice python-requests \
         libreoffice-headless libreoffice-pyuno wqy-microhei-fonts wqy-zenhei-fonts wqy-unibit-fonts \
@@ -187,6 +182,11 @@ else
     pip install pylibmc==1.6.0 django-pylibmc==0.6.1
     pip install --timeout=3600 Pillow==4.3.0
     pip install psd-tools==1.4
+else
+    yum install python-setuptools MySQL-python memcached python-urllib3 \
+        pwgen curl openssl python-ldap java-1.8.0-openjdk poppler-utils libreoffice \
+        libreoffice-headless libreoffice-pyuno wqy-microhei-fonts wqy-zenhei-fonts wqy-unibit-fonts \
+        libffi-devel openssl-devel libmemcached -y
 fi
 
 # start memcached on system boot
diff --git a/seafile-server-ubuntu-amd64-http b/seafile-server-ubuntu-amd64-http
index ec5561a..2b99d42 100644
--- a/seafile-server-ubuntu-amd64-http
+++ b/seafile-server-ubuntu-amd64-http
@@ -143,11 +143,7 @@ fi
 # -------------------------------------------
 apt-get update
 
-if [[ ${SEAFILE_VERSION} =~ 7\.[0-9]*\.[0-9]* ]]; then
-    apt-get install -y python2.7 sudo python-setuptools python-mysqldb python-ldap python-urllib3 \
-    openjdk-8-jre memcached libmemcached-dev zlib1g-dev pwgen curl openssl poppler-utils libpython2.7 libreoffice \
-    libreoffice-script-provider-python ttf-wqy-microhei ttf-wqy-zenhei xfonts-wqy nginx
-else
+if [[ ${SEAFILE_VERSION} =~ 6\.[0-9]*\.[0-9]* ]]; then
     apt-get install -y python2.7 sudo python-pip python-setuptools python-mysqldb python-ldap python-urllib3 \
     openjdk-8-jre memcached libmemcached-dev zlib1g-dev pwgen curl openssl poppler-utils libpython2.7 libreoffice \
     libreoffice-script-provider-python ttf-wqy-microhei ttf-wqy-zenhei xfonts-wqy nginx python-requests
@@ -155,6 +151,10 @@ else
     pip install pylibmc==1.6.0 django-pylibmc==0.6.1
     pip install --timeout=3600 Pillow==4.3.0
     pip install psd-tools==1.4
+else
+    apt-get install -y python2.7 sudo python-setuptools python-mysqldb python-ldap python-urllib3 \
+    openjdk-8-jre memcached libmemcached-dev zlib1g-dev pwgen curl openssl poppler-utils libpython2.7 libreoffice \
+    libreoffice-script-provider-python ttf-wqy-microhei ttf-wqy-zenhei xfonts-wqy nginx
 fi
 
 rm /etc/nginx/sites-enabled/*