diff --git a/CHANGELOG.md b/CHANGELOG.md
index c36151ef1..6b9ffd2f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,7 +19,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 * Bulk allocate objects for nmslib index creation to avoid malloc fragmentation ([#773](https://github.com/opensearch-project/k-NN/pull/773))
 ### Bug Fixes
 ### Infrastructure
-Disable index refresh for system indices ([#773](https://github.com/opensearch-project/k-NN/pull/915))
+* Bump requests version from 2.26.0 to 2.31.0 ([#913](https://github.com/opensearch-project/k-NN/pull/913))
+* Disable index refresh for system indices ([#773](https://github.com/opensearch-project/k-NN/pull/915))
 ### Documentation
 ### Maintenance
 ### Refactoring
\ No newline at end of file
diff --git a/benchmarks/perf-tool/requirements.txt b/benchmarks/perf-tool/requirements.txt
index b1e95c7d3..b1776be83 100644
--- a/benchmarks/perf-tool/requirements.txt
+++ b/benchmarks/perf-tool/requirements.txt
@@ -28,7 +28,7 @@ psutil==5.8.0
     # via -r requirements.in
 pyyaml==5.4.1
     # via -r requirements.in
-requests==2.26.0
+requests==2.31.0
     # via -r requirements.in
 urllib3==1.26.6
     # via