diff --git a/graphene_django/views.py b/graphene_django/views.py
index 2e867a0..c23b020 100644
--- a/graphene_django/views.py
+++ b/graphene_django/views.py
@@ -58,23 +58,23 @@ class GraphQLView(View):
     graphiql_template = "graphene/graphiql.html"
 
     # Polyfill for window.fetch.
-    whatwg_fetch_version = "3.2.0"
-    whatwg_fetch_sri = "sha256-l6HCB9TT2v89oWbDdo2Z3j+PSVypKNLA/nqfzSbM8mo="
+    whatwg_fetch_version = "3.6.2"
+    whatwg_fetch_sri = "sha256-+pQdxwAcHJdQ3e/9S4RK6g8ZkwdMgFQuHvLuN5uyk5c="
 
     # React and ReactDOM.
-    react_version = "16.13.1"
-    react_sri = "sha256-yUhvEmYVhZ/GGshIQKArLvySDSh6cdmdcIx0spR3UP4="
-    react_dom_sri = "sha256-vFt3l+illeNlwThbDUdoPTqF81M8WNSZZZt3HEjsbSU="
+    react_version = "17.0.2"
+    react_sri = "sha256-Ipu/TQ50iCCVZBUsZyNJfxrDk0E2yhaEIz0vqI+kFG8="
+    react_dom_sri = "sha256-nbMykgB6tsOFJ7OdVmPpdqMFVk4ZsqWocT6issAPUF0="
 
     # The GraphiQL React app.
-    graphiql_version = "1.0.3"
-    graphiql_sri = "sha256-VR4buIDY9ZXSyCNFHFNik6uSe0MhigCzgN4u7moCOTk="
-    graphiql_css_sri = "sha256-LwqxjyZgqXDYbpxQJ5zLQeNcf7WVNSJ+r8yp2rnWE/E="
+    graphiql_version = "1.4.1"  # "1.0.3"
+    graphiql_sri = "sha256-JUMkXBQWZMfJ7fGEsTXalxVA10lzKOS9loXdLjwZKi4="  # "sha256-VR4buIDY9ZXSyCNFHFNik6uSe0MhigCzgN4u7moCOTk="
+    graphiql_css_sri = "sha256-Md3vdR7PDzWyo/aGfsFVF4tvS5/eAUWuIsg9QHUusCY="  # "sha256-LwqxjyZgqXDYbpxQJ5zLQeNcf7WVNSJ+r8yp2rnWE/E="
 
     # The websocket transport library for subscriptions.
-    subscriptions_transport_ws_version = "0.9.17"
+    subscriptions_transport_ws_version = "0.9.18"
     subscriptions_transport_ws_sri = (
-        "sha256-kCDzver8iRaIQ/SVlfrIwxaBQ/avXf9GQFJRLlErBnk="
+        "sha256-i0hAXd4PdJ/cHX3/8tIy/Q/qKiWr5WSTxMFuL9tACkw="
     )
 
     schema = None