diff --git a/src/index.ts b/src/index.ts
index a4f391448..9100bc6ef 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -99,7 +99,8 @@ if (!DISABLE_SECURITY_RESPONSE_HEADERS) {
           "settings.crisp.chat",
           "client.crisp.chat",
           "blob:",
-          "cdn.crisp.chat"
+          "cdn.crisp.chat",
+          "'sha256-9mBXYlkOC54Ex+ybfMS80Rl1umuwdSZuGjRL5zmgouU='"
         ],
         styleSrc: ["'self'", "client.crisp.chat", "'unsafe-inline'"],
         fontSrc: ["'self'", "data:", "client.crisp.chat"],