diff --git a/app.py b/app.py
index ce7c0a4..567ee4c 100644
--- a/app.py
+++ b/app.py
@@ -74,7 +74,12 @@ limiter = Limiter(app, key_func=rate_limit_key)
 
 @app.after_request
 def install_security_headers(resp):
-    csp = "default-src 'none'; img-src 'self' https: http:; script-src 'self'; style-src 'self' 'unsafe-inline'; connect-src 'self'; frame-ancestors 'none'"
+    csp = "default-src 'none'; img-src 'self' https: http:; style-src 'self' 'unsafe-inline'; connect-src 'self'; frame-ancestors 'none'"
+    if 'SENTRY_DSN' in app.config:
+        csp += "; script-src 'self' https://cdn.ravenjs.com/"
+    else:
+        csp += "; script-src 'self'"
+
     if 'CSP_REPORT_URI' in app.config:
         csp += "; report-uri " + app.config.get('CSP_REPORT_URI')
     resp.headers.set('Content-Security-Policy', csp)