diff --git a/manual/deploy/using_mysql.md b/manual/deploy/using_mysql.md
index 90ab235c..6dcab244 100644
--- a/manual/deploy/using_mysql.md
+++ b/manual/deploy/using_mysql.md
@@ -110,7 +110,7 @@ yum install python python-setuptools MySQL-python python-urllib3 python-ldap -y
 apt-get update
 apt-get install python3 python3-setuptools python3-pip -y
 
-pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
@@ -119,7 +119,7 @@ pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
 # on CentOS 8
 yum install python3 python3-setuptools python3-pip -y
 
-pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
diff --git a/manual/deploy_pro/download_and_setup_seafile_professional_server.md b/manual/deploy_pro/download_and_setup_seafile_professional_server.md
index 17b44da1..b6f310da 100644
--- a/manual/deploy_pro/download_and_setup_seafile_professional_server.md
+++ b/manual/deploy_pro/download_and_setup_seafile_professional_server.md
@@ -35,7 +35,7 @@ yum install python python-setuptools MySQL-python python-urllib3 python-ldap -y
 apt-get update
 apt-get install python3 python3-setuptools python3-pip -y
 
-pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
@@ -44,7 +44,7 @@ pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
 # on CentOS 8
 yum install python3 python3-setuptools python3-pip -y
 
-pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
diff --git a/manual/upgrade/upgrade_notes_for_7.1.x.md b/manual/upgrade/upgrade_notes_for_7.1.x.md
index 00b8a1ae..e8a8653c 100644
--- a/manual/upgrade/upgrade_notes_for_7.1.x.md
+++ b/manual/upgrade/upgrade_notes_for_7.1.x.md
@@ -24,7 +24,7 @@ Note, you should install Python libraries system wide using root user or sudo mo
 ```sh
 apt-get install python3 python3-setuptools python3-pip -y
 
-sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
@@ -34,7 +34,7 @@ sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
 ```sh
 yum install python3 python3-setuptools python3-pip -y
 
-sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
@@ -46,7 +46,7 @@ sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
 ```sh
 apt-get install python3 python3-setuptools python3-pip -y
 
-sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```
@@ -56,7 +56,7 @@ sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
 ```sh
 yum install python3 python3-setuptools python3-pip -y
 
-sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy \
+sudo pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy==1.3.8 \
     django-pylibmc django-simple-captcha python3-ldap
 
 ```