diff --git a/Charts/package-lock.json b/Charts/package-lock.json
index de3d55e..f9d7b68 100644
--- a/Charts/package-lock.json
+++ b/Charts/package-lock.json
@@ -80,6 +80,14 @@
         "d3-transition": "1",
         "d3-voronoi": "1",
         "d3-zoom": "1"
+      },
+      "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
+        }
       }
     },
     "d3-3d": {
@@ -129,9 +137,9 @@
       "integrity": "sha512-ii0/r5f4sjKNTfh84Di+DpztYwqKhEyUlKoPrzUFfeSkWxjW49xU2QzO9qrPrNkpdI0XJkfzvmTu8V2Zylln6A=="
     },
     "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": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
+      "integrity": "sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA=="
     },
     "d3-contour": {
       "version": "1.3.2",
@@ -224,6 +232,14 @@
       "dev": true,
       "requires": {
         "d3-color": "1"
+      },
+      "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-path": {
@@ -272,6 +288,14 @@
       "requires": {
         "d3-color": "1",
         "d3-interpolate": "1"
+      },
+      "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-selection": {
@@ -330,6 +354,14 @@
         "d3-interpolate": "1",
         "d3-selection": "^1.1.0",
         "d3-timer": "1"
+      },
+      "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-voronoi": {
diff --git a/Charts/package.json b/Charts/package.json
index 70ff652..ecccfef 100644
--- a/Charts/package.json
+++ b/Charts/package.json
@@ -26,7 +26,7 @@
     "typescript": "^3.5.3"
   },
   "dependencies": {
-    "d3-color": "^1.4.0",
+    "d3-color": "^3.1.0",
     "d3-tip": "^0.9.1",
     "ml-pca": "^4.0.1",
     "simple-statistics": "^7.0.7"