diff --git a/core/server/api/canary/newsletters.js b/core/server/api/canary/newsletters.js
index 7776fb1a03..585e769366 100644
--- a/core/server/api/canary/newsletters.js
+++ b/core/server/api/canary/newsletters.js
@@ -69,6 +69,9 @@ module.exports = {
 
     add: {
         statusCode: 201,
+        headers: {
+            cacheInvalidate: true
+        },
         options: [
             'include',
             'opt_in_existing'
@@ -87,7 +90,9 @@ module.exports = {
     },
 
     edit: {
-        headers: {},
+        headers: {
+            cacheInvalidate: true
+        },
         options: [
             'id',
             'include'
diff --git a/test/e2e-api/admin/__snapshots__/newsletters.test.js.snap b/test/e2e-api/admin/__snapshots__/newsletters.test.js.snap
index 81dd069f91..748b837f9e 100644
--- a/test/e2e-api/admin/__snapshots__/newsletters.test.js.snap
+++ b/test/e2e-api/admin/__snapshots__/newsletters.test.js.snap
@@ -44,6 +44,7 @@ Object {
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "location": StringMatching /https\\?:\\\\/\\\\/\\.\\*\\?\\\\/newsletters\\\\/\\[a-f0-9\\]\\{24\\}\\\\//,
   "vary": "Origin, Accept-Encoding",
+  "x-cache-invalidate": "/*",
   "x-powered-by": "Express",
 }
 `;
@@ -94,6 +95,7 @@ Object {
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "location": StringMatching /https\\?:\\\\/\\\\/\\.\\*\\?\\\\/newsletters\\\\/\\[a-f0-9\\]\\{24\\}\\\\//,
   "vary": "Origin, Accept-Encoding",
+  "x-cache-invalidate": "/*",
   "x-powered-by": "Express",
 }
 `;
@@ -139,6 +141,7 @@ Object {
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "location": StringMatching /https\\?:\\\\/\\\\/\\.\\*\\?\\\\/newsletters\\\\/\\[a-f0-9\\]\\{24\\}\\\\//,
   "vary": "Origin, Accept-Encoding",
+  "x-cache-invalidate": "/*",
   "x-powered-by": "Express",
 }
 `;
@@ -317,6 +320,7 @@ Object {
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
+  "x-cache-invalidate": "/*",
   "x-powered-by": "Express",
 }
 `;
@@ -361,6 +365,7 @@ Object {
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Origin, Accept-Encoding",
+  "x-cache-invalidate": "/*",
   "x-powered-by": "Express",
 }
 `;