diff --git a/functions/imagemagick/package.json b/functions/imagemagick/package.json
index f32af8d3d0..ac880c98c2 100644
--- a/functions/imagemagick/package.json
+++ b/functions/imagemagick/package.json
@@ -26,6 +26,6 @@
     "proxyquire": "^2.1.0",
     "request": "^2.88.0",
     "requestretry": "^4.0.0",
-    "sinon": "^9.0.0"
+    "sinon": "^19.0.0"
   }
 }