diff --git a/examples/guard_functions/package-lock.json b/examples/guard_functions/package-lock.json
index 0dc7c2c410..56d21a9b7a 100644
--- a/examples/guard_functions/package-lock.json
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@@ -1034,17 +1074,29 @@
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-                "@cspotcode/source-map-support": "0.7.0",
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@@ -1631,14 +1712,25 @@
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+                    "dev": true,
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diff --git a/examples/guard_functions/package.json b/examples/guard_functions/package.json
index 39aeba9888..6bc660e4c9 100644
--- a/examples/guard_functions/package.json
+++ b/examples/guard_functions/package.json
@@ -7,8 +7,8 @@
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+        "@dfinity/agent": "^0.19.2",
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     }
 }