diff --git a/lib/csp.js b/lib/csp.js
index 557acf8..9630219 100644
--- a/lib/csp.js
+++ b/lib/csp.js
@@ -8,7 +8,7 @@ const createCspHeader = (options, {
   const scriptHashes = scripts.map(cspHash)
   const directives = [
     ['default-src', origin],
-    ['script-src', "'self'", origin, ...scriptHashes],
+    ['script-src', origin, ...scriptHashes],
     ['img-src', "'self'", origin],
     ['connect-src', api],
     ['report-uri', reportUri]