diff --git a/package.json b/package.json
index 63123cc..53bf218 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "@aureooms/js-itertools": "5.0.1",
+    "@aureooms/js-itertools": "5.1.0",
     "@babel/cli": "7.13.10",
     "@babel/core": "7.13.10",
     "@babel/preset-env": "7.13.10",
diff --git a/yarn.lock b/yarn.lock
index 1562cf9..97186d2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14,10 +14,10 @@
   resolved "https://registry.yarnpkg.com/@aureooms/js-error/-/js-error-5.0.2.tgz#dc2ad2fc2b10365581c32c28222daccc5c3c9600"
   integrity sha512-HLO95kmZ1nJV5qo8Xq7czHVskFGPkM3l60JFgdTnpvCH6P6lkyWDBplaDB9gI5cPvcRIZDs1HeAHhAlHR/jBxw==
 
-"@aureooms/js-itertools@5.0.1":
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/@aureooms/js-itertools/-/js-itertools-5.0.1.tgz#73af47b0a710073730fccde6c57431a9178d1bea"
-  integrity sha512-EBmA0EiY49MSu7M6eCZvUyEhV79bvIQDg/LL3bfUG8fxhL4IeBLbgYc41a4/LunD5mLFG8ZQna/Z/oUjr4fUuQ==
+"@aureooms/js-itertools@5.1.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@aureooms/js-itertools/-/js-itertools-5.1.0.tgz#bb90a237baab78eeaef177376ac762fc43b9d485"
+  integrity sha512-HC5Rl89Vc99lcp2HBtZVYpmr1Esjm4gDyBD4V8ATNB5zBMtJ2+Jd145UsvgIqHPg7z4RbX1G0XNW6pM4rB6Uuw==
   dependencies:
     "@aureooms/js-collections-deque" "^6.0.1"
     "@aureooms/js-error" "^5.0.2"