diff --git a/package-lock.json b/package-lock.json
index a35aa67..57d0473 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2678,9 +2678,9 @@
       "dev": true
     },
     "@types/d3-color": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-1.0.5.tgz",
-      "integrity": "sha1-ytdV8Pxt57cPpuXgivqB70wiSN4=",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-1.4.2.tgz",
+      "integrity": "sha512-fYtiVLBYy7VQX+Kx7wU/uOIkGQn8aAEY8oWMoyja3N4dLd8Yf6XgSIR/4yWvMuveNOH5VShnqCgRqqh/UNanBA==",
       "dev": true
     },
     "@types/estree": {
diff --git a/package.json b/package.json
index 59dcd2a..865ade2 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "@angular/language-service": "9.0.4",
     "@compodoc/compodoc": "1.1.11",
     "@fortawesome/fontawesome-free": "^5.2.0",
-    "@types/d3-color": "1.0.5",
+    "@types/d3-color": "1.4.2",
     "@types/jasmine": "2.5.54",
     "@types/jasminewd2": "2.0.3",
     "@types/leaflet": "1.2.3",