diff --git a/package-lock.json b/package-lock.json
index 7d89c5142f..88b99c9ec4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11011,9 +11011,9 @@
       "dev": true
     },
     "proj4": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/proj4/-/proj4-2.6.2.tgz",
-      "integrity": "sha512-Pn0+HZtXb4JzuN8RR0VM7yyseegiYHbXkF+2FOdGpzRojcZ1BTjWxOh7qfp2vH0EyLu8pvcrhLxidwzgyUy/Gw==",
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/proj4/-/proj4-2.6.3.tgz",
+      "integrity": "sha512-XRqnLmHWlvi7jqKNTqaOUrVy72JEtOUrnlLki99yZUOSvcSeBaZ1I/EGnQ2LzplSbjSrebGAdikqCLeCxC/YEg==",
       "dev": true,
       "requires": {
         "mgrs": "1.0.0",
diff --git a/package.json b/package.json
index 54650a072f..8010fdb068 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "mocha": "8.2.1",
     "pixelmatch": "^5.1.0",
     "pngjs": "^6.0.0",
-    "proj4": "2.6.2",
+    "proj4": "2.6.3",
     "puppeteer": "5.5.0",
     "rollup": "^2.1.0",
     "rollup-plugin-babel": "^4.3.3",