diff --git a/yarn.lock b/yarn.lock
index a878add..1d94174 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1330,9 +1330,9 @@
     fastq "^1.6.0"
 
 "@openzeppelin/contracts@^4.0.0":
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.3.1.tgz#c01f791ce6c9d3989ac1a643267501dbe336b9e3"
-  integrity sha512-QjgbPPlmDK2clK1hzjw2ROfY8KA5q+PfhDUUxZFEBCZP9fi6d5FuNoh/Uq0oCTMEKPmue69vhX2jcl0N/tFKGw==
+  version "4.7.1"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.1.tgz#33d0a857b76b18d313e6bb6ed28cdaf367e90cfe"
+  integrity sha512-UXmAjKARsXORHlHZu5GCD7ZbRKm6nU8UHnbuT/QJJa2JEOEcbvV/X8w/sUk62Sl9VZuuljM1akrZLyAtzUgsxw==
 
 "@protobufjs/aspromise@^1.1.1", "@protobufjs/aspromise@^1.1.2":
   version "1.1.2"