diff --git a/svelte/wave-demo-2d/package-lock.json b/svelte/wave-demo-2d/package-lock.json
index d10f66c7..42a2c292 100644
--- a/svelte/wave-demo-2d/package-lock.json
+++ b/svelte/wave-demo-2d/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "d3-array": "^2.12.1",
-        "d3-scale": "^3.2.4",
+        "d3-scale": "^4.0.2",
         "sirv-cli": "^1.0.0",
         "svelte-canvas": "^0.6.1"
       },
@@ -323,15 +323,29 @@
       }
     },
     "node_modules/d3-scale": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-3.2.4.tgz",
-      "integrity": "sha512-PG6gtpbPCFqKbvdBEswQcJcTzHC8VEd/XzezF5e68KlkT4/ggELw/nR1tv863jY6ufKTvDlzCMZvhe06codbbA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-4.0.2.tgz",
+      "integrity": "sha512-GZW464g1SH7ag3Y7hXjf8RoUuAFIqklOAq3MRl4OaWabTFJY9PN/E1YklhXLh+OQ3fM9yS2nOkCoS+WLZ6kvxQ==",
       "dependencies": {
-        "d3-array": "^2.3.0",
-        "d3-format": "1 - 2",
-        "d3-interpolate": "1.2.0 - 2",
-        "d3-time": "1 - 2",
-        "d3-time-format": "2 - 3"
+        "d3-array": "2.10.0 - 3",
+        "d3-format": "1 - 3",
+        "d3-interpolate": "1.2.0 - 3",
+        "d3-time": "2.1.1 - 3",
+        "d3-time-format": "2 - 4"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-scale/node_modules/d3-time": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-3.0.0.tgz",
+      "integrity": "sha512-zmV3lRnlaLI08y9IMRXSDshQb5Nj77smnfpnd2LrBa/2K281Jijactokeak14QacHs/kKq0AQ121nidNYlarbQ==",
+      "dependencies": {
+        "d3-array": "2 - 3"
+      },
+      "engines": {
+        "node": ">=12"
       }
     },
     "node_modules/d3-time": {
@@ -1353,15 +1367,25 @@
       }
     },
     "d3-scale": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-3.2.4.tgz",
-      "integrity": "sha512-PG6gtpbPCFqKbvdBEswQcJcTzHC8VEd/XzezF5e68KlkT4/ggELw/nR1tv863jY6ufKTvDlzCMZvhe06codbbA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-4.0.2.tgz",
+      "integrity": "sha512-GZW464g1SH7ag3Y7hXjf8RoUuAFIqklOAq3MRl4OaWabTFJY9PN/E1YklhXLh+OQ3fM9yS2nOkCoS+WLZ6kvxQ==",
       "requires": {
-        "d3-array": "^2.3.0",
-        "d3-format": "1 - 2",
-        "d3-interpolate": "1.2.0 - 2",
-        "d3-time": "1 - 2",
-        "d3-time-format": "2 - 3"
+        "d3-array": "2.10.0 - 3",
+        "d3-format": "1 - 3",
+        "d3-interpolate": "1.2.0 - 3",
+        "d3-time": "2.1.1 - 3",
+        "d3-time-format": "2 - 4"
+      },
+      "dependencies": {
+        "d3-time": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-3.0.0.tgz",
+          "integrity": "sha512-zmV3lRnlaLI08y9IMRXSDshQb5Nj77smnfpnd2LrBa/2K281Jijactokeak14QacHs/kKq0AQ121nidNYlarbQ==",
+          "requires": {
+            "d3-array": "2 - 3"
+          }
+        }
       }
     },
     "d3-time": {
diff --git a/svelte/wave-demo-2d/package.json b/svelte/wave-demo-2d/package.json
index a4b42dc6..4acf7326 100644
--- a/svelte/wave-demo-2d/package.json
+++ b/svelte/wave-demo-2d/package.json
@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "d3-array": "^2.12.1",
-    "d3-scale": "^3.2.4",
+    "d3-scale": "^4.0.2",
     "sirv-cli": "^1.0.0",
     "svelte-canvas": "^0.6.1"
   }