diff --git a/package.json b/package.json
index a1f83b67..04bc40f0 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "@testing-library/jest-dom": "^4.2.3",
     "@testing-library/react": "^9.3.2",
     "@types/common-tags": "^1.8.0",
-    "@types/jest": "^24.0.23",
+    "@types/jest": "^26.0.0",
     "@types/js-base64": "^2.3.1",
     "@types/jwt-decode": "^2.2.1",
     "@types/lodash": "^4.14.149",
diff --git a/packages/netlify-cms-proxy-server/package.json b/packages/netlify-cms-proxy-server/package.json
index 6c3ac9e3..d5b772c1 100644
--- a/packages/netlify-cms-proxy-server/package.json
+++ b/packages/netlify-cms-proxy-server/package.json
@@ -35,7 +35,7 @@
     "@types/cors": "^2.8.6",
     "@types/express": "^4.17.2",
     "@types/hapi__joi": "16.0.12",
-    "@types/jest": "^24.9.0",
+    "@types/jest": "^26.0.0",
     "@types/morgan": "^1.7.37",
     "@types/node": "^13.1.7",
     "@types/vfile-message": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 4949fd8f..3cd73193 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3147,12 +3147,13 @@
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-23.3.14.tgz#37daaf78069e7948520474c87b80092ea912520a"
   integrity sha512-Q5hTcfdudEL2yOmluA1zaSyPbzWPmJ3XfSWeP3RyoYvS9hnje1ZyagrZOuQ6+1nQC1Gw+7gap3pLNL3xL6UBug==
 
-"@types/jest@^24.0.23", "@types/jest@^24.9.0":
-  version "24.9.1"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-24.9.1.tgz#02baf9573c78f1b9974a5f36778b366aa77bd534"
-  integrity sha512-Fb38HkXSVA4L8fGKEZ6le5bB8r6MRWlOCZbVuWZcmOMSCd2wCYOwN1ibj8daIoV9naq7aaOZjrLCoCMptKU/4Q==
+"@types/jest@^26.0.0":
+  version "26.0.5"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.5.tgz#23a8eecf4764a770ea8d3a0d1ea16b96c822035d"
+  integrity sha512-heU+7w8snfwfjtcj2H458aTx3m5unIToOJhx75ebHilBiiQ39OIdA18WkG4LP08YKeAoWAGvWg8s+22w/PeJ6w==
   dependencies:
-    jest-diff "^24.3.0"
+    jest-diff "^25.2.1"
+    pretty-format "^25.2.1"
 
 "@types/js-base64@^2.3.1":
   version "2.3.2"
@@ -6793,6 +6794,11 @@ diff-sequences@^24.9.0:
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-24.9.0.tgz#5715d6244e2aa65f48bba0bc972db0b0b11e95b5"
   integrity sha512-Dj6Wk3tWyTE+Fo1rW8v0Xhwk80um6yFYKbuAxc9c3EZxIHFDYwbi34Uk42u1CdnIiVorvt4RmlSDjIPyzGC2ew==
 
+diff-sequences@^25.2.6:
+  version "25.2.6"
+  resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-25.2.6.tgz#5f467c00edd35352b7bca46d7927d60e687a76dd"
+  integrity sha512-Hq8o7+6GaZeoFjtpgvRBUknSXNeJiCx7V9Fr94ZMljNiCr9n9L8H8aJqgWOQiDDGdyn29fRNcDdRVJ5fdyihfg==
+
 diff@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
@@ -10314,7 +10320,7 @@ jest-config@^24.9.0:
     pretty-format "^24.9.0"
     realpath-native "^1.1.0"
 
-jest-diff@^24.0.0, jest-diff@^24.3.0, jest-diff@^24.9.0:
+jest-diff@^24.0.0, jest-diff@^24.9.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-24.9.0.tgz#931b7d0d5778a1baf7452cb816e325e3724055da"
   integrity sha512-qMfrTs8AdJE2iqrTp0hzh7kTd2PQWrsFyj9tORoKmu32xjPjeE4NyjVRDz8ybYwqS2ik8N4hsIpiVTyFeo2lBQ==
@@ -10324,6 +10330,16 @@ jest-diff@^24.0.0, jest-diff@^24.3.0, jest-diff@^24.9.0:
     jest-get-type "^24.9.0"
     pretty-format "^24.9.0"
 
+jest-diff@^25.2.1:
+  version "25.5.0"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-25.5.0.tgz#1dd26ed64f96667c068cef026b677dfa01afcfa9"
+  integrity sha512-z1kygetuPiREYdNIumRpAHY6RXiGmp70YHptjdaxTWGmA085W3iCnXNx0DhflK3vwrKmrRWyY1wUpkPMVxMK7A==
+  dependencies:
+    chalk "^3.0.0"
+    diff-sequences "^25.2.6"
+    jest-get-type "^25.2.6"
+    pretty-format "^25.5.0"
+
 jest-docblock@^24.3.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-24.9.0.tgz#7970201802ba560e1c4092cc25cbedf5af5a8ce2"
@@ -10394,6 +10410,11 @@ jest-get-type@^24.3.0, jest-get-type@^24.9.0:
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-24.9.0.tgz#1684a0c8a50f2e4901b6644ae861f579eed2ef0e"
   integrity sha512-lUseMzAley4LhIcpSP9Jf+fTrQ4a1yHQwLNeeVa2cEmbCGeoZAtYPOIv8JaxLD/sUpKxetKGP+gsHl8f8TSj8Q==
 
+jest-get-type@^25.2.6:
+  version "25.2.6"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-25.2.6.tgz#0b0a32fab8908b44d508be81681487dbabb8d877"
+  integrity sha512-DxjtyzOHjObRM+sM1knti6or+eOgcGU4xVSb2HNP1TqO4ahsT+rqZg+nyqHWJSvWgKC5cG3QjGFBqxLghiF/Ig==
+
 jest-haste-map@^24.9.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-24.9.0.tgz#b38a5d64274934e21fa417ae9a9fbeb77ceaac7d"
@@ -13551,7 +13572,7 @@ pretty-format@^24.0.0, pretty-format@^24.3.0, pretty-format@^24.7.0, pretty-form
     ansi-styles "^3.2.0"
     react-is "^16.8.4"
 
-pretty-format@^25.1.0, pretty-format@^25.5.0:
+pretty-format@^25.1.0, pretty-format@^25.2.1, pretty-format@^25.5.0:
   version "25.5.0"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-25.5.0.tgz#7873c1d774f682c34b8d48b6743a2bf2ac55791a"
   integrity sha512-kbo/kq2LQ/A/is0PQwsEHM7Ca6//bGPPvU6UnsdDRSKTWxT/ru/xb88v4BJf6a69H+uTytOEsTusT9ksd/1iWQ==