diff --git a/package.json b/package.json
index b1c7b656..4fceb93e 100644
--- a/package.json
+++ b/package.json
@@ -47,11 +47,11 @@
     "@ember/optional-features": "0.7.0",
     "@mike-north/js-lib-renovate-config": "1.3.1",
     "@mike-north/js-lib-semantic-release-config": "1.0.1",
-    "@types/ember": "3.1.2",
+    "@types/ember": "4.0.0",
     "@types/ember-qunit": "3.4.15",
     "@types/ember-test-helpers": "1.0.10",
     "@types/ember-testing-helpers": "0.0.4",
-    "@types/ember__test-helpers": "0.7.12",
+    "@types/ember__test-helpers": "2.6.0",
     "@types/qunit": "2.9.6",
     "@types/rsvp": "4.0.4",
     "broccoli-asset-rev": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 17d4b4af..43a14285 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1741,10 +1741,10 @@
     "@types/jquery" "*"
     "@types/rsvp" "*"
 
-"@types/ember@3.1.2":
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/@types/ember/-/ember-3.1.2.tgz#b795e41f4a5569447c006e293195e62dc139cced"
-  integrity sha512-Z4jxklUlnoWEkenLaMDDmzguL3UUcAIaCiu28nNYlIovWTGmvKuJgUKSqd+03j4jjzaz+yz0fepM408XULew/A==
+"@types/ember@4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@types/ember/-/ember-4.0.0.tgz#0c29294fa0e5aa07ba6090f60243707dde8fc411"
+  integrity sha512-IR4o8OkFgoiRKVLRI8URvyNhEBSkjO5DXp2900/TptxOl0Retu8/tKtFaRTwkqteg2a0/6zXAA1rpFb3BbxNpA==
   dependencies:
     "@types/ember__application" "*"
     "@types/ember__array" "*"
@@ -1763,7 +1763,6 @@
     "@types/ember__test" "*"
     "@types/ember__utils" "*"
     "@types/htmlbars-inline-precompile" "*"
-    "@types/jquery" "*"
     "@types/rsvp" "*"
 
 "@types/ember__application@*":
@@ -1877,10 +1876,10 @@
   resolved "https://registry.yarnpkg.com/@types/ember__template/-/ember__template-3.16.1.tgz#30d7f50a49b190934db0f5a56dd76ad86c21efc6"
   integrity sha512-APQINizzizl2LHWGMFBCanRjKZQsdzqn7b+us17zbNhnx/R0IZAJq901x/i7eozCRwxsDKmGzNABSCIu6uc1Tg==
 
-"@types/ember__test-helpers@0.7.12":
-  version "0.7.12"
-  resolved "https://registry.yarnpkg.com/@types/ember__test-helpers/-/ember__test-helpers-0.7.12.tgz#53bcf5fcf6e77732dd286cba3782a6a965a0dace"
-  integrity sha512-9GD0uTCGIXBU3OT4OoaLPMgwXK+EMMnLDvGE+Pt8wgYLIoPYmqoPNLrEbNlN2M52ZvODsFeOUPkJsup+fbFpIg==
+"@types/ember__test-helpers@2.6.0":
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/@types/ember__test-helpers/-/ember__test-helpers-2.6.0.tgz#26a3e709502868fbf73d3cf06942335195f6408b"
+  integrity sha512-iLb4npBAi2nWdAgnL/lClJkZUXuS4pCpGq3a5yzWoNjzRZCJzLI+zbmNgfY3nQjsV8lXclgfEY0ZzGkRpHU+Xw==
   dependencies:
     "@types/ember" "*"
     "@types/ember__application" "*"