diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4610cd52..421891d1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@
 - [SECURITY]: A change which fixes a security vulnerability.
 
 ## [Unreleased]
+
+## [0.19.0] - 2024-10-23
 - [BREAKING] [https://github.com/patterns-ai-core/langchainrb/pull/840] Rename `chat_completion_model_name` parameter to `chat_model` in Langchain::LLM parameters.
 - [BREAKING] [https://github.com/patterns-ai-core/langchainrb/pull/840] Rename `completion_model_name` parameter to `completion_model` in Langchain::LLM parameters.
 - [BREAKING] [https://github.com/patterns-ai-core/langchainrb/pull/840] Rename `embeddings_model_name` parameter to `embedding_model` in Langchain::LLM parameters.
diff --git a/Gemfile.lock b/Gemfile.lock
index 47dfc2330..77f22ad18 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    langchainrb (0.18.0)
+    langchainrb (0.19.0)
       baran (~> 0.1.9)
       json-schema (~> 4)
       matrix
diff --git a/lib/langchain/version.rb b/lib/langchain/version.rb
index a8e902b5c..bf373f203 100644
--- a/lib/langchain/version.rb
+++ b/lib/langchain/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Langchain
-  VERSION = "0.18.0"
+  VERSION = "0.19.0"
 end