diff --git a/package-lock.json b/package-lock.json
index 2ebaa6e..03acd54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "morgan": "1.10.0",
         "pbf": "3.2.1",
         "pmtiles": "3.0.5",
-        "proj4": "2.10.0",
+        "proj4": "2.11.0",
         "sanitize-filename": "1.6.3",
         "sharp": "0.33.2",
         "tileserver-gl-styles": "2.0.0"
@@ -7000,9 +7000,9 @@
       }
     },
     "node_modules/proj4": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/proj4/-/proj4-2.10.0.tgz",
-      "integrity": "sha512-0eyB8h1PDoWxucnq88/EZqt7UZlvjhcfbXCcINpE7hqRN0iRPWE/4mXINGulNa/FAvK+Ie7F+l2OxH/0uKV36A==",
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/proj4/-/proj4-2.11.0.tgz",
+      "integrity": "sha512-SasuTkAx8HnWQHfIyhkdUNJorSJqINHAN3EyMWYiQRVorftz9DHz650YraFgczwgtHOxqnfuDxSNv3C8MUnHeg==",
       "dependencies": {
         "mgrs": "1.0.0",
         "wkt-parser": "^1.3.3"
diff --git a/package.json b/package.json
index 13a6f79..8fc78df 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "morgan": "1.10.0",
     "pbf": "3.2.1",
     "pmtiles": "3.0.5",
-    "proj4": "2.10.0",
+    "proj4": "2.11.0",
     "sanitize-filename": "1.6.3",
     "sharp": "0.33.2",
     "tileserver-gl-styles": "2.0.0"