diff --git a/resources/prefs.json b/resources/prefs.json
index e2b32d24449..6ca6b0a0dc7 100644
--- a/resources/prefs.json
+++ b/resources/prefs.json
@@ -7,7 +7,7 @@
   "dom.canvas_capture.enabled": false,
   "dom.canvas_text.enabled": true,
   "dom.compositionevent.enabled": false,
-  "dom.crypto.subtle.enabled": false,
+  "dom.crypto.subtle.enabled": true,
   "dom.customelements.enabled": true,
   "dom.document.dblclick_dist": 1,
   "dom.document.dblclick_timeout": 300,
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index e85656e5aea..c1c95016bcb 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -13495,7 +13495,7 @@
      ]
     ],
     "interfaces.https.html": [
-     "24a5535b77ba9716e67056e1d81de837a3fecc7b",
+     "5a39868cd2090b492e2192447bf353527649bbfb",
      [
       null,
       {}
diff --git a/tests/wpt/mozilla/tests/mozilla/interfaces.https.html b/tests/wpt/mozilla/tests/mozilla/interfaces.https.html
index 24a5535b77b..5a39868cd20 100644
--- a/tests/wpt/mozilla/tests/mozilla/interfaces.https.html
+++ b/tests/wpt/mozilla/tests/mozilla/interfaces.https.html
@@ -40,6 +40,7 @@ test_interfaces([
   "CharacterData",
   "CloseEvent",
   "ConstantSourceNode",
+  "CryptoKey",
   "CSS",
   "CSSConditionRule",
   "CSSFontFaceRule",
@@ -241,6 +242,7 @@ test_interfaces([
   "StyleSheet",
   "StyleSheetList",
   "SubmitEvent",
+  "SubtleCrypto",
   "SVGRect",
   "Text",
   "TextTrack",