diff --git a/apps/bar-chart/index.html b/apps/bar-chart/index.html
index 3977b796..a88b742a 100644
--- a/apps/bar-chart/index.html
+++ b/apps/bar-chart/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <link rel="stylesheet" href="styles.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.9.0/d3.min.js"></script>
   </head>
   <body>
     <div class="main">
diff --git a/apps/choropleth-map/index.html b/apps/choropleth-map/index.html
index c6e02c8c..7baefcd4 100644
--- a/apps/choropleth-map/index.html
+++ b/apps/choropleth-map/index.html
@@ -3,7 +3,7 @@
   <head>
     <title>FCC: D3 Choropleth Map</title>
     <link rel="stylesheet" href="styles.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.9.0/d3.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/3.0.2/topojson.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/d3-scale-chromatic@3.0.0/dist/d3-scale-chromatic.min.js"></script>
   </head>
diff --git a/apps/heat-map/index.html b/apps/heat-map/index.html
index 604104e1..ea7e36fe 100644
--- a/apps/heat-map/index.html
+++ b/apps/heat-map/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <link rel="stylesheet" href="styles.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.9.0/d3.min.js"></script>
     <script src="https://unpkg.com/d3-v6-tip@1.0.6/build/d3-v6-tip.js"></script>
     <title>FCC: D3 Heat Map</title>
   </head>
diff --git a/apps/scatterplot-graph/index.html b/apps/scatterplot-graph/index.html
index aae98b9c..cd9a082f 100644
--- a/apps/scatterplot-graph/index.html
+++ b/apps/scatterplot-graph/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <link rel="stylesheet" href="styles.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.9.0/d3.min.js"></script>
     <title>FCC: D3 Scatter Plot</title>
   </head>
   <body>
diff --git a/apps/treemap-diagram/index.html b/apps/treemap-diagram/index.html
index f5c9c3fc..e2c5572d 100644
--- a/apps/treemap-diagram/index.html
+++ b/apps/treemap-diagram/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <link rel="stylesheet" href="styles.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.9.0/d3.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/d3-scale-chromatic@3.0.0/dist/d3-scale-chromatic.min.js"></script>
   </head>
   <body>
