diff --git a/playground/dev/index.html b/playground/dev/index.html
index a9e8078f..331f5375 100644
--- a/playground/dev/index.html
+++ b/playground/dev/index.html
@@ -425,7 +425,8 @@ <h3>Bitcoin (ECDSA Koblitz) Public Key for Verification</h3>
 
     <!-- sccdn scripts -->
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-    <script src="https://cdn.jsdelivr.net/npm/jsonld@8.3.2/dist/jsonld.min.js"></script>
+    <script type="module" src="https://cdn.jsdelivr.net/npm/jsonld@9.0.0/dist/jsonld.esm.min.js"></script>
+    <script nomodule src="https://cdn.jsdelivr.net/npm/jsonld@9.0.0/dist/jsonld.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script>
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     <script src="../jsonld-vis.js"></script>
diff --git a/playground/index.html b/playground/index.html
index cf9be0eb..ec4b63cc 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -642,7 +642,8 @@ <h4>Public Key for Verification</h4>
 
     <!-- sccdn scripts -->
     <script src="https://cdn.jsdelivr.net/g/async@1.5.0,jquery@1.11.0,es6-promise@1.0.0,bootstrap@2.3.2,codemirror@3.22.0(codemirror.min.js+addon/lint/lint.js+addon/edit/matchbrackets.js+addon/edit/closebrackets.js+addon/display/placeholder.js+addon/hint/show-hint.js+mode/ntriples/ntriples.js+mode/javascript/javascript.js)"></script>
-    <script src="https://cdn.jsdelivr.net/npm/jsonld@8.3.2/dist/jsonld.min.js"></script>
+    <script type="module" src="https://cdn.jsdelivr.net/npm/jsonld@9.0.0/dist/jsonld.esm.min.js"></script>
+    <script nomodule src="https://cdn.jsdelivr.net/npm/jsonld@9.0.0/dist/jsonld.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script>
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     <script src="./jsonld-vis.js"></script>