diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7ba14fec..28b2e9361 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 ## [Unreleased]
+
+## [0.15.4] - 2024-08-30
 - Improve the Langchain::Tool::Database tool
 - Allow explictly setting tool_choice on the Assistant instance
 - Add support for bulk embedding in Ollama
diff --git a/Gemfile.lock b/Gemfile.lock
index f166ea3c9..7623aea13 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    langchainrb (0.15.3)
+    langchainrb (0.15.4)
       baran (~> 0.1.9)
       json-schema (~> 4)
       matrix
diff --git a/lib/langchain/version.rb b/lib/langchain/version.rb
index 17d273eb6..bfbffe462 100644
--- a/lib/langchain/version.rb
+++ b/lib/langchain/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Langchain
-  VERSION = "0.15.3"
+  VERSION = "0.15.4"
 end