diff --git a/escc-critical-minerals/viz/package-lock.json b/escc-critical-minerals/viz/package-lock.json
index 97dee857..3c0fb347 100644
--- a/escc-critical-minerals/viz/package-lock.json
+++ b/escc-critical-minerals/viz/package-lock.json
@@ -300,17 +300,17 @@
       "integrity": "sha512-pMD+MVR538ipqkG5JXeOEbKWS5um1H4LUUccUQG68qpeqBYbzYy79Gh55jkd2TtPdRfUaLWdv6LPP//5Zt0aPQ=="
     },
     "d3-array": {
-      "version": "2.12.1",
-      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-2.12.1.tgz",
-      "integrity": "sha512-B0ErZK/66mHtEsR1TkPEEkwdy+WDesimkM5gpZr5Dsg54BiTA5RXtYW5qTLIAcekaS9xfZrzBLF/OAkB3Qn1YQ==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-3.2.0.tgz",
+      "integrity": "sha512-3yXFQo0oG3QCxbF06rMPFyGRMGJNS7NvsV1+2joOjbBE+9xvWQ8+GcMJAjRCzw06zQ3/arXeJgbPYcjUCuC+3g==",
       "requires": {
-        "internmap": "^1.0.0"
+        "internmap": "1 - 2"
       }
     },
     "d3-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-2.0.0.tgz",
-      "integrity": "sha512-SPXi0TSKPD4g9tw0NMZFnR95XVgUZiBH+uUTqQuDu1OsE2zomHU7ho0FISciaPvosimixwHFl3WHLGabv6dDgQ=="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
+      "integrity": "sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA=="
     },
     "d3-dsv": {
       "version": "1.2.0",
@@ -330,47 +330,45 @@
         "d3-dsv": "1"
       }
     },
+    "d3-format": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-3.1.0.tgz",
+      "integrity": "sha512-YyUI6AEuY/Wpt8KWLgZHsIU86atmikuoOmCfommt0LYHiQSPjvX2AcFc38PX0CBpr2RCyZhjex+NS/LPOv6YqA=="
+    },
     "d3-interpolate": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-2.0.1.tgz",
-      "integrity": "sha512-c5UhwwTs/yybcmTpAVqwSFl6vrQ8JZJoT5F7xNFK9pymv5C0Ymcc9/LIJHtYIggg/yS9YHw8i8O8tgb9pupjeQ==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-3.0.1.tgz",
+      "integrity": "sha512-3bYs1rOD33uo8aqJfKP3JWPAibgw8Zm2+L9vBKEHJ2Rg+viTR7o5Mmv5mZcieN+FRYaAOWX5SJATX6k1PWz72g==",
       "requires": {
-        "d3-color": "1 - 2"
+        "d3-color": "1 - 3"
       }
     },
     "d3-scale": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-3.3.0.tgz",
-      "integrity": "sha512-1JGp44NQCt5d1g+Yy+GeOnZP7xHo0ii8zsQp6PGzd+C1/dl0KGsp9A7Mxwp+1D1o4unbTTxVdU/ZOIEBoeZPbQ==",
-      "requires": {
-        "d3-array": "^2.3.0",
-        "d3-format": "1 - 2",
-        "d3-interpolate": "1.2.0 - 2",
-        "d3-time": "^2.1.1",
-        "d3-time-format": "2 - 3"
-      },
-      "dependencies": {
-        "d3-format": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-2.0.0.tgz",
-          "integrity": "sha512-Ab3S6XuE/Q+flY96HXT0jOXcM4EAClYFnRGY5zsjRGNy6qCYrQsMffs7cV5Q9xejb35zxW5hf/guKw34kvIKsA=="
-        }
+      "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": "2.10.0 - 3",
+        "d3-format": "1 - 3",
+        "d3-interpolate": "1.2.0 - 3",
+        "d3-time": "2.1.1 - 3",
+        "d3-time-format": "2 - 4"
       }
     },
     "d3-time": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-2.1.1.tgz",
-      "integrity": "sha512-/eIQe/eR4kCQwq7yxi7z4c6qEXf2IYGcjoWB5OOQy4Tq9Uv39/947qlDcN2TLkiTzQWzvnsuYPB9TrWaNfipKQ==",
+      "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"
+        "d3-array": "2 - 3"
       }
     },
     "d3-time-format": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/d3-time-format/-/d3-time-format-3.0.0.tgz",
-      "integrity": "sha512-UXJh6EKsHBTjopVqZBhFysQcoXSv/5yLONZvkQ5Kk3qbwiUYkdX17Xa1PT6U1ZWXGGfB1ey5L8dKMlFq2DO0Ag==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/d3-time-format/-/d3-time-format-4.1.0.tgz",
+      "integrity": "sha512-dJxPBlzC7NugB2PDLwo9Q8JiTR3M3e4/XANkreKSUxF8vvXKqm1Yfq4Q5dl8budlunRVlUUaDUgFt7eA8D6NLg==",
       "requires": {
-        "d3-time": "1 - 2"
+        "d3-time": "1 - 3"
       }
     },
     "deepmerge": {
@@ -534,9 +532,9 @@
       "integrity": "sha512-zDml/jzr2PKU9I8J/xyZBQn8rPCAY//UOYNmR01XwNwyfhEWObo2SWfSl1+0tm1u6PhxLwDnfsT/6jB7OUxqFA=="
     },
     "internmap": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/internmap/-/internmap-1.0.1.tgz",
-      "integrity": "sha512-lDB5YccMydFBtasVtxnZ3MRBHuaoE8GKsppq+EchKL2U4nK/DmEpPHNH8MZe5HkMtpSiTSOZwfN0tzYjO/lJEw=="
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
+      "integrity": "sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg=="
     },
     "is-binary-path": {
       "version": "2.1.0",
diff --git a/escc-critical-minerals/viz/package.json b/escc-critical-minerals/viz/package.json
index aaf37918..466d8e3a 100644
--- a/escc-critical-minerals/viz/package.json
+++ b/escc-critical-minerals/viz/package.json
@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "d3-fetch": "^1.1.2",
-    "d3-scale": "^3.2.3",
+    "d3-scale": "^4.0.2",
     "install": "^0.13.0",
     "npm": "^7.23.0",
     "sirv-cli": "^1.0.0",