diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5428b14ad..968da85e3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -34,7 +34,7 @@ jobs:
     needs: [spotless, javadoc]
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-13, windows-latest]
         java: [11, 21]
         include:
           - os: ubuntu-latest
@@ -64,7 +64,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-13, windows-latest]
         java: [11, 21]
         include:
           - os: ubuntu-latest
@@ -86,7 +86,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-13, windows-latest]
         java: [21]
     name: Multi-Node Integ Test JDK${{ matrix.java }}, ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/test_security.yml b/.github/workflows/test_security.yml
index fafcec0fa..5ba0002a5 100644
--- a/.github/workflows/test_security.yml
+++ b/.github/workflows/test_security.yml
@@ -7,6 +7,9 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+env:
+  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
+
 jobs:
   Get-CI-Image-Tag:
     uses: opensearch-project/opensearch-build/.github/workflows/get-ci-image-tag.yml@main
diff --git a/build.gradle b/build.gradle
index 02b52f0f5..ec8756b2f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ import java.nio.file.Paths
 
 buildscript {
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "2.13.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "2.13.1-SNAPSHOT")
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
         version_tokens = opensearch_version.tokenize('-')