diff --git a/README.rst b/README.rst
index 5813632..5e352cb 100644
--- a/README.rst
+++ b/README.rst
@@ -77,7 +77,7 @@ or SparkPost or any other supported ESP where you see "mailgun":
 
    .. code-block:: console
 
-        $ pip install django-anymail[mailgun]
+        $ pip install "django-anymail[mailgun]"
 
    (The `[mailgun]` part installs any additional packages needed for that ESP.
    Mailgun doesn't have any, but some other ESPs do.)
diff --git a/docs/esps/amazon_ses.rst b/docs/esps/amazon_ses.rst
index e80d40f..174ec2f 100644
--- a/docs/esps/amazon_ses.rst
+++ b/docs/esps/amazon_ses.rst
@@ -27,7 +27,7 @@ backend. Either include the "amazon_ses" option when you install Anymail:
 
     .. code-block:: console
 
-        $ pip install django-anymail[amazon_ses]
+        $ pip install "django-anymail[amazon_ses]"
 
 or separately run `pip install boto3`.
 
diff --git a/docs/esps/sparkpost.rst b/docs/esps/sparkpost.rst
index 80ea9a0..2470ca2 100644
--- a/docs/esps/sparkpost.rst
+++ b/docs/esps/sparkpost.rst
@@ -17,7 +17,7 @@ backend. Either include the "sparkpost" option when you install Anymail:
 
     .. code-block:: console
 
-        $ pip install django-anymail[sparkpost]
+        $ pip install "django-anymail[sparkpost]"
 
 or separately run `pip install sparkpost`.
 
diff --git a/docs/installation.rst b/docs/installation.rst
index 2067a22..88bd0a3 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -12,7 +12,7 @@ To use Anymail in your Django project:
 
     .. code-block:: console
 
-        $ pip install django-anymail[sendgrid,sparkpost]
+        $ pip install "django-anymail[sendgrid,sparkpost]"
 
    The `[sendgrid,sparkpost]` part of that command tells pip you also
    want to install additional packages required for those ESPs.