diff --git a/faucet/authenticator/package-lock.json b/faucet/authenticator/package-lock.json
index b02566ad4..d4a40b6da 100644
--- a/faucet/authenticator/package-lock.json
+++ b/faucet/authenticator/package-lock.json
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@@ -4561,6 +4564,15 @@
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@@ -5624,40 +5636,37 @@
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@@ -8303,9 +8312,9 @@
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@@ -8774,17 +8783,25 @@
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+        }
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     "sinon-chai": {
diff --git a/faucet/authenticator/package.json b/faucet/authenticator/package.json
index 6fff4432d..df4435964 100644
--- a/faucet/authenticator/package.json
+++ b/faucet/authenticator/package.json
@@ -32,7 +32,7 @@
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     "mocha": "^10.2.0",
     "nodemon": "^3.0.1",
-    "sinon": "^18.0.0",
+    "sinon": "^19.0.2",
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