diff --git a/packages/core/package-lock.json b/packages/core/package-lock.json
new file mode 100644
index 0000000..3a589fb
--- /dev/null
+++ b/packages/core/package-lock.json
@@ -0,0 +1,33 @@
+{
+  "name": "@datastream/core",
+  "version": "0.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "dev": true,
+  "packages": {
+    "": {
+      "name": "@datastream/core",
+      "version": "0.0.0",
+      "dev": true,
+      "license": "MIT",
+      "devDependencies": {
+        "@datastream/core": "file:./"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@datastream/core": {
+      "resolved": "",
+      "link": true
+    }
+  },
+  "dependencies": {
+    "@datastream/core": {
+      "version": "file:",
+      "requires": {
+        "@datastream/core": "file:"
+      }
+    }
+  }
+}
diff --git a/packages/string/package-lock.json b/packages/string/package-lock.json
new file mode 100644
index 0000000..9890afc
--- /dev/null
+++ b/packages/string/package-lock.json
@@ -0,0 +1,55 @@
+{
+  "name": "@datastream/string",
+  "version": "0.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@datastream/string",
+      "version": "0.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@datastream/core": "0.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "../core": {
+      "name": "@datastream/core",
+      "version": "0.0.0",
+      "dev": true,
+      "license": "MIT",
+      "devDependencies": {
+        "@datastream/core": "file:./"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "../core/node_modules/@datastream/core": {
+      "resolved": "../core",
+      "link": true
+    },
+    "node_modules/@datastream/core": {
+      "resolved": "../core",
+      "link": true
+    }
+  },
+  "dependencies": {
+    "@datastream/core": {
+      "version": "file:../core",
+      "requires": {
+        "@datastream/core": "file:"
+      },
+      "dependencies": {
+        "@datastream/core": {
+          "version": "file:../core",
+          "requires": {
+            "@datastream/core": "file:"
+          }
+        }
+      }
+    }
+  }
+}