diff --git a/package.json b/package.json
index 79953e1..1fc4287 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "test"
   ],
   "devDependencies": {
-    "@types/jest": "^25.1.0",
+    "@types/jest": "^26.0.0",
     "@types/n3": "^1.1.5",
     "coveralls": "^3.0.0",
     "jest": "^26.0.0",
diff --git a/yarn.lock b/yarn.lock
index 259e1c5..2bba887 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1268,10 +1268,10 @@
     source-map "^0.6.1"
     write-file-atomic "^3.0.0"
 
-"@jest/types@^25.1.0":
-  version "25.1.0"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-25.1.0.tgz#b26831916f0d7c381e11dbb5e103a72aed1b4395"
-  integrity sha512-VpOtt7tCrgvamWZh1reVsGADujKigBUFTi19mlRjqEGsE8qH4r3s+skY33dNdXOwyZIvuftZ5tqdF1IgsMejMA==
+"@jest/types@^25.5.0":
+  version "25.5.0"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-25.5.0.tgz#4d6a4793f7b9599fc3680877b856a97dbccf2a9d"
+  integrity sha512-OXD0RgQ86Tu3MazKo8bnrkDRaDXXMGUqd+kTtLtK1Zb7CRzQcaSRPPPV37SvYTdevXEBVxe0HXylEjs8ibkmCw==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.0"
     "@types/istanbul-reports" "^1.1.1"
@@ -1391,13 +1391,13 @@
     "@types/istanbul-lib-coverage" "*"
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@^25.1.0":
-  version "25.1.4"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-25.1.4.tgz#9e9f1e59dda86d3fd56afce71d1ea1b331f6f760"
-  integrity sha512-QDDY2uNAhCV7TMCITrxz+MRk1EizcsevzfeS6LykIlq2V1E5oO4wXG8V2ZEd9w7Snxeeagk46YbMgZ8ESHx3sw==
+"@types/jest@^26.0.0":
+  version "26.0.0"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.0.tgz#a6d7573dffa9c68cbbdf38f2e0de26f159e11134"
+  integrity sha512-/yeMsH9HQ1RLORlXAwoLXe8S98xxvhNtUz3yrgrwbaxYjT+6SFPZZRksmRKRA6L5vsUtSHeN71viDOTTyYAD+g==
   dependencies:
-    jest-diff "^25.1.0"
-    pretty-format "^25.1.0"
+    jest-diff "^25.2.1"
+    pretty-format "^25.2.1"
 
 "@types/mime@^2.0.1":
   version "2.0.1"
@@ -2232,10 +2232,10 @@ detect-newline@^3.0.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-3.1.0.tgz#576f5dfc63ae1a192ff192d8ad3af6308991b651"
   integrity sha512-TLz+x/vEXm/Y7P7wn1EJFNLxYpUD4TgMosxY6fAVJUnJMbupHBOncxyWUG9OpTaH9EBD7uFI5LfEgmMOc54DsA==
 
-diff-sequences@^25.1.0:
-  version "25.1.0"
-  resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-25.1.0.tgz#fd29a46f1c913fd66c22645dc75bffbe43051f32"
-  integrity sha512-nFIfVk5B/NStCsJ+zaPO4vYuLjlzQ6uFvPxzYyHlejNZ/UGa7G/n7peOXVrVNvRuyfstt+mZQYGpjxg9Z6N8Kw==
+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-sequences@^26.0.0:
   version "26.0.0"
@@ -3199,15 +3199,15 @@ jest-config@^26.0.1:
     micromatch "^4.0.2"
     pretty-format "^26.0.1"
 
-jest-diff@^25.1.0:
-  version "25.1.0"
-  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-25.1.0.tgz#58b827e63edea1bc80c1de952b80cec9ac50e1ad"
-  integrity sha512-nepXgajT+h017APJTreSieh4zCqnSHEJ1iT8HDlewu630lSJ4Kjjr9KNzm+kzGwwcpsDE6Snx1GJGzzsefaEHw==
+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 "^25.1.0"
-    jest-get-type "^25.1.0"
-    pretty-format "^25.1.0"
+    diff-sequences "^25.2.6"
+    jest-get-type "^25.2.6"
+    pretty-format "^25.5.0"
 
 jest-diff@^26.0.1:
   version "26.0.1"
@@ -3260,10 +3260,10 @@ jest-environment-node@^26.0.1:
     jest-mock "^26.0.1"
     jest-util "^26.0.1"
 
-jest-get-type@^25.1.0:
-  version "25.1.0"
-  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-25.1.0.tgz#1cfe5fc34f148dc3a8a3b7275f6b9ce9e2e8a876"
-  integrity sha512-yWkBnT+5tMr8ANB6V+OjmrIJufHtCAqI5ic2H40v+tRqxDmE0PGnIiTyvRWFOMtmVHYpwRqyazDbTnhpjsGvLw==
+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-get-type@^26.0.0:
   version "26.0.0"
@@ -4444,12 +4444,12 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
-pretty-format@^25.1.0:
-  version "25.1.0"
-  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-25.1.0.tgz#ed869bdaec1356fc5ae45de045e2c8ec7b07b0c8"
-  integrity sha512-46zLRSGLd02Rp+Lhad9zzuNZ+swunitn8zIpfD2B4OPCRLXbM87RJT2aBLBWYOznNUML/2l/ReMyWNC80PJBUQ==
+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==
   dependencies:
-    "@jest/types" "^25.1.0"
+    "@jest/types" "^25.5.0"
     ansi-regex "^5.0.0"
     ansi-styles "^4.0.0"
     react-is "^16.12.0"