diff --git a/package-lock.json b/package-lock.json
index d6e43906..95efe4c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12770,9 +12770,9 @@
       }
     },
     "node_modules/tar": {
-      "version": "7.5.15",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.15.tgz",
-      "integrity": "sha512-dzGK0boVlC4W5QFuQN1EFSl3bIDYsk7Tj40U6eIBnK2k/8ml7TZ5agbI5j5+qnoVcAA+rNtBml8SEiLxZpNqRQ==",
+      "version": "7.5.21",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.21.tgz",
+      "integrity": "sha512-XdhtCvlMywwxpCW8YEq3lOXBJpUPTR2OHHcwLPO3HwsJqOHa2Ok/oJ7ruGzp+JrKoRPVCzJwAdEjqLW/vNRPHA==",
       "license": "BlueOak-1.0.0",
       "dependencies": {
         "@isaacs/fs-minipass": "^4.0.0",
@@ -13431,37 +13431,6 @@
         "node": ">= 12.17.0"
       }
     },
-    "packages/data": {
-      "name": "@linzjs/topographic-system-data",
-      "version": "0.2.0",
-      "extraneous": true,
-      "dependencies": {
-        "@typespec/json-schema": "^1.11.0",
-        "hyparquet": "^1.25.6",
-        "hyparquet-compressors": "^1.1.1"
-      },
-      "devDependencies": {
-        "@types/node": "^24.10.0",
-        "@typespec/compiler": "^1.11.0",
-        "esbuild": "^0.27.2",
-        "lerna": "^9.0.3",
-        "typescript": "^5.9.3"
-      },
-      "engines": {
-        "node": "^24.5.0"
-      }
-    },
-    "packages/data-prep": {
-      "name": "@linzjs/topographic-system-data-prep",
-      "version": "0.1.0",
-      "extraneous": true,
-      "dependencies": {
-        "@linzjs/docker-command": "^8.0.0",
-        "@linzjs/topographic-system-shared": "0.4.0",
-        "cmd-ts": "^0.14.3",
-        "stac-ts": "^1.0.4"
-      }
-    },
     "packages/kart": {
       "name": "@linzjs/topographic-system-kart",
       "version": "0.9.0",
@@ -13552,7 +13521,7 @@
         "pino": "^10.1.0",
         "pretty-json-log": "^1.5.0",
         "stac-ts": "^1.0.4",
-        "tar": "^7.5.15",
+        "tar": "^7.5.21",
         "ulid": "^3.0.1",
         "zx": "^8.8.5"
       },
diff --git a/packages/shared/package.json b/packages/shared/package.json
index 90802924..9052bc3e 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -24,7 +24,7 @@
     "pino": "^10.1.0",
     "pretty-json-log": "^1.5.0",
     "stac-ts": "^1.0.4",
-    "tar": "^7.5.15",
+    "tar": "^7.5.21",
     "ulid": "^3.0.1",
     "zx": "^8.8.5"
   },