diff --git a/static/img/integrations/add_to_slack.png b/static/img/integrations/add_to_slack.png
index 599f66aa..0e839071 100644
Binary files a/static/img/integrations/add_to_slack.png and b/static/img/integrations/add_to_slack.png differ
diff --git a/static/img/integrations/add_to_slack@2x.png b/static/img/integrations/add_to_slack@2x.png
index 4d11d42b..5eb4c994 100644
Binary files a/static/img/integrations/add_to_slack@2x.png and b/static/img/integrations/add_to_slack@2x.png differ
diff --git a/static/img/integrations/slack.png b/static/img/integrations/slack.png
index fffd5435..247fcb2c 100644
Binary files a/static/img/integrations/slack.png and b/static/img/integrations/slack.png differ
diff --git a/templates/integrations/add_slack.html b/templates/integrations/add_slack.html
index 38e79f5a..088dccc7 100644
--- a/templates/integrations/add_slack.html
+++ b/templates/integrations/add_slack.html
@@ -19,8 +19,6 @@
         <a href="https://slack.com/oauth/authorize?scope=incoming-webhook&client_id={{ slack_client_id }}&state={{ state }}">
             <img
                 alt="Add to Slack"
-                height="40"
-                width="139"
                 src="{% static 'img/integrations/add_to_slack.png' %}"
                 srcset="{% static 'img/integrations/add_to_slack.png' %} 1x, {% static 'img/integrations/add_to_slack@2x.png' %} 2x" />
         </a>