diff --git a/package.json b/package.json
index 84bb0a2..699f331 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "jest-image-snapshot": "^4.5.1",
     "prettier": "^2.6.2",
     "rimraf": "^3.0.2",
-    "rollup": "^2.75.1",
+    "rollup": "~2.74.1",
     "rollup-plugin-cleanup": "^3.2.1",
     "rollup-plugin-dts": "^4.2.2",
     "seedrandom": "^3.0.5",
diff --git a/samples/default_esm.html b/samples/default_esm.html
index fe81a32..f751611 100644
--- a/samples/default_esm.html
+++ b/samples/default_esm.html
@@ -11,8 +11,8 @@
     <script type="importmap-shim">
       {
         "imports": {
-          "chart.js": "https://unpkg.com/chart.js@3.7.1?module",
-          "chart.js/helpers": "https://unpkg.com/chart.js@3.7.1/helpers/helpers.esm.js?module",
+          "chart.js": "https://unpkg.com/chart.js@3.8.0?module",
+          "chart.js/helpers": "https://unpkg.com/chart.js@3.8.0/helpers/helpers.esm.js?module",
           "chartjs-chart-graph": "../build/index.js",
           "d3-force": "https://unpkg.com/d3-force?module",
           "d3-hierarchy": "https://unpkg.com/d3-hierarchy?module"
diff --git a/samples/directed.html b/samples/directed.html
index 06d462f..86d817c 100644
--- a/samples/directed.html
+++ b/samples/directed.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="../build/index.umd.js"></script>
   </head>
 
diff --git a/samples/forceDirectedGraph.html b/samples/forceDirectedGraph.html
index 13dd2a1..181913c 100644
--- a/samples/forceDirectedGraph.html
+++ b/samples/forceDirectedGraph.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/hammerjs@2.0.8"></script>
     <script src="https://unpkg.com/chartjs-plugin-zoom/dist/chartjs-plugin-zoom"></script>
     <script src="../build/index.umd.js"></script>
diff --git a/samples/graphChange.html b/samples/graphChange.html
index 1fb2b75..b650ad4 100644
--- a/samples/graphChange.html
+++ b/samples/graphChange.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="../build/index.umd.js"></script>
   </head>
 
diff --git a/samples/multi.html b/samples/multi.html
index 91b2eaa..df65f2c 100644
--- a/samples/multi.html
+++ b/samples/multi.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="../build/index.umd.js"></script>
     <style>
       body {
diff --git a/samples/radial.html b/samples/radial.html
index 2fb88fc..0c6cf47 100644
--- a/samples/radial.html
+++ b/samples/radial.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="../build/index.umd.js"></script>
   </head>
 
diff --git a/samples/radiallabel.html b/samples/radiallabel.html
index 800e88e..5e51c0b 100644
--- a/samples/radiallabel.html
+++ b/samples/radiallabel.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="https://unpkg.com/chartjs-plugin-datalabels@next"></script>
     <!-- <script src="https://unpkg.com/chartjs-plugin-datalabels"></script> -->
     <script src="../build/index.umd.js"></script>
diff --git a/samples/tree.html b/samples/tree.html
index b2709f7..04976ba 100644
--- a/samples/tree.html
+++ b/samples/tree.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="../build/index.umd.js"></script>
   </head>
 
diff --git a/samples/treelabel.html b/samples/treelabel.html
index 8c4c3d3..6b900cd 100644
--- a/samples/treelabel.html
+++ b/samples/treelabel.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="https://unpkg.com/chart.js@3.7.1/dist/chart.js"></script>
+    <script src="https://unpkg.com/chart.js@3.8.0/dist/chart.js"></script>
     <script src="https://unpkg.com/chartjs-plugin-datalabels@next"></script>
     <script src="https://cdn.jsdelivr.net/npm/hammerjs@2.0.8"></script>
     <script src="https://unpkg.com/chartjs-plugin-zoom/dist/chartjs-plugin-zoom"></script>
diff --git a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-default-1-snap.png b/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-default-1-snap.png
deleted file mode 100644
index cf78f5a..0000000
Binary files a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-default-1-snap.png and /dev/null differ
diff --git a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-default-tree-1-snap.png b/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-default-tree-1-snap.png
deleted file mode 100644
index 5892983..0000000
Binary files a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-default-tree-1-snap.png and /dev/null differ
diff --git a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-radial-1-snap.png b/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-radial-1-snap.png
deleted file mode 100644
index 1d02e63..0000000
Binary files a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-radial-1-snap.png and /dev/null differ
diff --git a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-vertical-1-snap.png b/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-vertical-1-snap.png
deleted file mode 100644
index 67c504b..0000000
Binary files a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-vertical-1-snap.png and /dev/null differ
diff --git a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-directed-1-snap.png b/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendrogram-directed-1-snap.png
similarity index 100%
rename from src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-directed-1-snap.png
rename to src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendrogram-directed-1-snap.png
diff --git a/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-radial-tree-1-snap.png b/src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendrogram-radial-tree-1-snap.png
similarity index 100%
rename from src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendogram-radial-tree-1-snap.png
rename to src/controllers/__image_snapshots__/dendrogram-controller-spec-ts-dendrogram-radial-tree-1-snap.png
diff --git a/src/controllers/__image_snapshots__/force-directed-spec-ts-dendogram-default-1-snap.png b/src/controllers/__image_snapshots__/force-directed-spec-ts-dendrogram-default-1-snap.png
similarity index 100%
rename from src/controllers/__image_snapshots__/force-directed-spec-ts-dendogram-default-1-snap.png
rename to src/controllers/__image_snapshots__/force-directed-spec-ts-dendrogram-default-1-snap.png
diff --git a/yarn.lock b/yarn.lock
index 74b7176..108e022 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3370,7 +3370,7 @@ __metadata:
     jest-image-snapshot: ^4.5.1
     prettier: ^2.6.2
     rimraf: ^3.0.2
-    rollup: ^2.75.1
+    rollup: ~2.74.1
     rollup-plugin-cleanup: ^3.2.1
     rollup-plugin-dts: ^4.2.2
     seedrandom: ^3.0.5
@@ -7479,9 +7479,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rollup@npm:^2.75.1":
-  version: 2.75.1
-  resolution: "rollup@npm:2.75.1"
+"rollup@npm:~2.74.1":
+  version: 2.74.1
+  resolution: "rollup@npm:2.74.1"
   dependencies:
     fsevents: ~2.3.2
   dependenciesMeta:
@@ -7489,7 +7489,7 @@ __metadata:
       optional: true
   bin:
     rollup: dist/bin/rollup
-  checksum: a48d2df765cc87c2d351e9df2ce3483cdc406e583cee271af2c38fe9371ccbae8484f0c50af4ac9293667c3eded082297008934712079d53798ec2841eef0339
+  checksum: c34dc78317aa0a153010061e5954225b3e18f4013feb9c0476f6878dc3485ac765c28b7849441e4a2ab69c337892bc66399fb7d4b239b94f4758adfdb1f99440
   languageName: node
   linkType: hard
 
