diff --git a/langchain-core/package.json b/langchain-core/package.json
index 9739eb621b7b..45ee433c91e0 100644
--- a/langchain-core/package.json
+++ b/langchain-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@langchain/core",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "description": "Core LangChain.js abstractions and schemas",
   "type": "module",
   "engines": {
diff --git a/langchain-core/src/prompt_values.ts b/langchain-core/src/prompt_values.ts
index 2d8e1117da22..1295774b97d6 100644
--- a/langchain-core/src/prompt_values.ts
+++ b/langchain-core/src/prompt_values.ts
@@ -21,6 +21,8 @@ export abstract class BasePromptValue extends Serializable {
 export class StringPromptValue extends BasePromptValue {
   lc_namespace = ["langchain_core", "prompt_values"];
 
+  lc_serializable = true;
+
   value: string;
 
   constructor(value: string) {
diff --git a/langchain/package.json b/langchain/package.json
index fc74988dd192..628381783036 100644
--- a/langchain/package.json
+++ b/langchain/package.json
@@ -1380,9 +1380,9 @@
     }
   },
   "dependencies": {
-    "@langchain/anthropic": "^0.0.2",
-    "@langchain/core": "^0.0.0",
-    "@langchain/openai": "^0.0.0",
+    "@langchain/anthropic": "^0.0.3",
+    "@langchain/core": "^0.0.1",
+    "@langchain/openai": "^0.0.1",
     "binary-extensions": "^2.2.0",
     "expr-eval": "^2.0.2",
     "flat": "^5.0.2",
diff --git a/libs/langchain-anthropic/package.json b/libs/langchain-anthropic/package.json
index e294adb55d7d..3dee717d9b20 100644
--- a/libs/langchain-anthropic/package.json
+++ b/libs/langchain-anthropic/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@langchain/anthropic",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "Anthropic integrations for LangChain.js",
   "type": "module",
   "engines": {
@@ -33,7 +33,7 @@
   "license": "MIT",
   "dependencies": {
     "@anthropic-ai/sdk": "^0.10.0",
-    "@langchain/core": "^0.0.0"
+    "@langchain/core": "~0.0.1"
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
diff --git a/libs/langchain-openai/package.json b/libs/langchain-openai/package.json
index ec1e62fd9750..3f348059ec94 100644
--- a/libs/langchain-openai/package.json
+++ b/libs/langchain-openai/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@langchain/openai",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "description": "OpenAI integrations for LangChain.js",
   "type": "module",
   "engines": {
@@ -32,7 +32,7 @@
   "author": "LangChain",
   "license": "MIT",
   "dependencies": {
-    "@langchain/core": "^0.0.0",
+    "@langchain/core": "~0.0.1",
     "js-tiktoken": "^1.0.7",
     "openai": "^4.19.0",
     "zod-to-json-schema": "3.20.3"