diff --git a/types/helmet/helmet-tests.ts b/types/helmet/helmet-tests.ts
index 59e5613408..8b4c5634ac 100644
--- a/types/helmet/helmet-tests.ts
+++ b/types/helmet/helmet-tests.ts
@@ -58,13 +58,21 @@ function contentSecurityPolicyTest() {
         disableAndroid: false
     };
 
+    function reportUriCb(req: express.Request, res: express.Response) { return '/some-uri'; }
+    function reportOnlyCb(req: express.Request, res: express.Response) { return false; }
+
     app.use(helmet.contentSecurityPolicy());
     app.use(helmet.contentSecurityPolicy({}));
     app.use(helmet.contentSecurityPolicy(config));
     app.use(helmet.contentSecurityPolicy({
         directives: {
-            defaultSrc: ["'self'"]
+            defaultSrc: ["'self'"],
+            reportUri: reportUriCb,
+            'report-uri': reportUriCb,
+            reportTo: reportUriCb,
+            'report-to': reportUriCb
         },
+        reportOnly: reportOnlyCb,
         loose: false,
         setAllHeaders: true
     }));
diff --git a/types/helmet/index.d.ts b/types/helmet/index.d.ts
index 3625d029a0..b0a50c901e 100644
--- a/types/helmet/index.d.ts
+++ b/types/helmet/index.d.ts
@@ -69,8 +69,8 @@ declare namespace helmet {
         objectSrc?: HelmetCspDirectiveValue[];
         pluginTypes?: HelmetCspDirectiveValue[];
         prefetchSrc?: HelmetCspDirectiveValue[];
-        reportTo?: string;
-        reportUri?: string;
+        reportTo?: HelmetCspDirectiveValue;
+        reportUri?: HelmetCspDirectiveValue;
         requireSriFor?: HelmetCspRequireSriForValue[];
         sandbox?: HelmetCspSandboxDirective[];
         scriptSrc?: HelmetCspDirectiveValue[];
@@ -95,8 +95,8 @@ declare namespace helmet {
         'object-src'?: HelmetCspDirectiveValue[];
         'plugin-types'?: HelmetCspDirectiveValue[];
         'prefetch-src'?: HelmetCspDirectiveValue[];
-        'report-to'?: string;
-        'report-uri'?: string;
+        'report-to'?: HelmetCspDirectiveValue;
+        'report-uri'?: HelmetCspDirectiveValue;
         'require-sri-for'?: HelmetCspRequireSriForValue[];
         'sandbox'?: HelmetCspSandboxDirective[];
         'script-src'?: HelmetCspDirectiveValue;
@@ -106,7 +106,7 @@ declare namespace helmet {
     }
 
     export interface IHelmetContentSecurityPolicyConfiguration {
-        reportOnly?: boolean;
+        reportOnly?: boolean | ((req: express.Request, res: express.Response) => boolean);
         setAllHeaders?: boolean;
         disableAndroid?: boolean;
         browserSniff?: boolean;