diff --git a/package.json b/package.json
index 99c516c..7557134 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,6 @@
     "rescript": "10.1.4"
   },
   "dependencies": {
-    "@ctrl/tinycolor": "3.3.1"
+    "@ctrl/tinycolor": "4.0.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 041eb91..4359e6f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -278,10 +278,10 @@
     exec-sh "^0.3.2"
     minimist "^1.2.0"
 
-"@ctrl/tinycolor@3.3.1":
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/@ctrl/tinycolor/-/tinycolor-3.3.1.tgz#fa0efcf813daa43f8a6aef3ddaa80f7e66f1278e"
-  integrity sha512-jUJrjU62MUgHDSu5JfONfgRM2V7GfN5KknsygfIbxwRZXGeayIzxk4O9GiYgEAr9DG5HJThTF5+a5x3wtrOKzQ==
+"@ctrl/tinycolor@4.0.2":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@ctrl/tinycolor/-/tinycolor-4.0.2.tgz#7665b09c0163722ffc20ee885eb9a8ff80d9ebde"
+  integrity sha512-fKQinXE9pJ83J1n+C3rDl2xNLJwfoYNvXLRy5cYZA9hBJJw2q+sbb/AOSNKmLxnTWyNTmy4994dueSwP4opi5g==
 
 "@glennsl/bs-jest@0.7.0":
   version "0.7.0"