diff --git a/package.json b/package.json
index 771739f..21c269f 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "jsdoc": "4.0.2",
     "mocha": "10.2.0",
-    "taskcluster-client": "65.0.1",
+    "taskcluster-client": "66.0.0",
     "yuidoc-lucid-theme": "jonasfj/yuidoc-lucid-theme",
     "yuidocjs": "0.10.2"
   },
diff --git a/yarn.lock b/yarn.lock
index 73b9787..52023ba 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1520,10 +1520,10 @@ supports-color@^7.1.0:
   dependencies:
     has-flag "^4.0.0"
 
-taskcluster-client@65.0.1:
-  version "65.0.1"
-  resolved "https://registry.yarnpkg.com/taskcluster-client/-/taskcluster-client-65.0.1.tgz#db6771caf7726833ca4176a66de491dd0552cb94"
-  integrity sha512-zDwNXm0CW4n1FzlsclhhxJbdlDbl6NWo4UaSgWNBP4VtZfcyEO3Uq4kllw8yj5jANmF9p6SXiMSYDtaT2lJFdQ==
+taskcluster-client@66.0.0:
+  version "66.0.0"
+  resolved "https://registry.yarnpkg.com/taskcluster-client/-/taskcluster-client-66.0.0.tgz#aa826163f9d59827c9db421cc0690f2060d4bf70"
+  integrity sha512-lFcTpm0s31/DQ1er78+j0vHR6v+rRUW4yzRjkbPaz5nN0ppbpAspGZ7dQTQEcqU+ETM06Zo6GaoMOgjRACK+kw==
   dependencies:
     debug "^4.1.1"
     got "^14.2.1"