diff --git a/maptiles/package-lock.json b/maptiles/package-lock.json
index c4539c5..a0ebeb0 100644
--- a/maptiles/package-lock.json
+++ b/maptiles/package-lock.json
@@ -175,21 +175,6 @@
           "version": "5.6.1",
           "resolved": "https://registry.npmjs.org/csv-stringify/-/csv-stringify-5.6.1.tgz",
           "integrity": "sha1-15C8og8g7VqIh6Pc46xFjWEc0uA="
-        },
-        "stream-transform": {
-          "version": "2.0.4",
-          "resolved": "https://registry.npmjs.org/stream-transform/-/stream-transform-2.0.4.tgz",
-          "integrity": "sha1-kR/3VW0eJcI36V14P2c52eC0phw=",
-          "requires": {
-            "mixme": "^0.4.0"
-          },
-          "dependencies": {
-            "mixme": {
-              "version": "0.4.0",
-              "resolved": "https://registry.npmjs.org/mixme/-/mixme-0.4.0.tgz",
-              "integrity": "sha1-oa7ifw1jzJBeHMbdyYq/lNQUQ14="
-            }
-          }
         }
       }
     },
@@ -796,6 +781,11 @@
         "minipass": "^2.9.0"
       }
     },
+    "mixme": {
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/mixme/-/mixme-0.5.4.tgz",
+      "integrity": "sha512-3KYa4m4Vlqx98GPdOHghxSdNtTvcP8E0kkaJ5Dlh+h2DRzF7zpuVVcA8B0QpKd11YJeP9QQ7ASkKzOeu195Wzw=="
+    },
     "mkdirp": {
       "version": "0.5.5",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
@@ -1165,6 +1155,14 @@
         "tweetnacl": "~0.14.0"
       }
     },
+    "stream-transform": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/stream-transform/-/stream-transform-2.1.3.tgz",
+      "integrity": "sha512-9GHUiM5hMiCi6Y03jD2ARC1ettBXkQBoQAe7nJsPknnI0ow10aXjTnew8QtYQmLjzn974BnmWEAJgCY6ZP1DeQ==",
+      "requires": {
+        "mixme": "^0.5.1"
+      }
+    },
     "string-width": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",