diff --git a/package-lock.json b/package-lock.json
index 0d4b214..0bd4862 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2831,9 +2831,9 @@
       "integrity": "sha512-KQ41bAF2BMakf/HdKT865ALd4cgND6VcIztVQZUTt0+BH3RWy6ZYnHghVXf6NFjt2ritLr8H1T8LreAAlfiNcw=="
     },
     "d3-color": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.4.0.tgz",
-      "integrity": "sha512-TzNPeJy2+iEepfiL92LAAB7fvnp/dV2YwANPVHdDWmYMm23qIJBYww3qT8I8C1wXrmrg4UWs7BKc2tKIgyjzHg=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.0.1.tgz",
+      "integrity": "sha512-6/SlHkDOBLyQSJ1j1Ghs82OIUXpKWlR0hCsw0XrLSQhuUPuCSmLQ1QPH98vpnQxMUQM2/gfAkUEWsupVpd9JGw=="
     },
     "d3-format": {
       "version": "1.4.3",
@@ -2859,11 +2859,11 @@
       }
     },
     "d3-interpolate": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-1.4.0.tgz",
-      "integrity": "sha512-V9znK0zc3jOPV4VD2zZn0sDhZU3WAE2bmlxdIwwQPPzPjvyLkd8B3JUVdS1IDUFDkWZ72c9qnv1GK2ZagTZ8EA==",
+      "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"
+        "d3-color": "1 - 3"
       }
     },
     "d3-scale": {
@@ -2877,6 +2877,23 @@
         "d3-interpolate": "^1.2.0",
         "d3-time": "1",
         "d3-time-format": "2"
+      },
+      "dependencies": {
+        "d3-color": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.4.1.tgz",
+          "integrity": "sha512-p2sTHSLCJI2QKunbGb7ocOh7DgTAn8IrLx21QRc/BSnodXM4sv6aLQlnfpvehFMLZEfBc6g9pH9SWQccFYfJ9Q==",
+          "dev": true
+        },
+        "d3-interpolate": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-1.4.0.tgz",
+          "integrity": "sha512-V9znK0zc3jOPV4VD2zZn0sDhZU3WAE2bmlxdIwwQPPzPjvyLkd8B3JUVdS1IDUFDkWZ72c9qnv1GK2ZagTZ8EA==",
+          "dev": true,
+          "requires": {
+            "d3-color": "1"
+          }
+        }
       }
     },
     "d3-time": {
diff --git a/package.json b/package.json
index a82ddaf..afc80f4 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "dependencies": {
     "d3-array": "^2.4.0",
-    "d3-interpolate": "^1.4.0",
+    "d3-interpolate": "^3.0.1",
     "earcut": "^2.2.2",
     "topojson-client": "^3.1.0"
   },