diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0191757e..55394bc0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Dependencies
 - Bumps `sysinfo` from 0.31.2 to 0.32.0
+- Bumps `thiserror` from 1 to 2
 
 ### Changed
 
diff --git a/opensearch/Cargo.toml b/opensearch/Cargo.toml
index a73a6047..490391ba 100644
--- a/opensearch/Cargo.toml
+++ b/opensearch/Cargo.toml
@@ -40,7 +40,7 @@ url = "2.1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 serde_with = "3"
-thiserror = "1"
+thiserror = "2"
 void = "1.0.2"
 aws-credential-types = { version = "1", optional = true }
 aws-sigv4 = { version = "1", optional = true }