diff --git a/.github/workflows/Semgrep.yml b/.github/workflows/Semgrep.yml
new file mode 100644
index 0000000..0347afd
--- /dev/null
+++ b/.github/workflows/Semgrep.yml
@@ -0,0 +1,48 @@
+# Name of this GitHub Actions workflow.
+name: Semgrep
+
+on:
+  # Scan changed files in PRs (diff-aware scanning):
+  # The branches below must be a subset of the branches above
+  pull_request:
+    branches: ["master", "main"]
+  push:
+    branches: ["master", "main"]
+  schedule:
+    - cron: '0 6 * * *'
+
+
+permissions:
+  contents: read
+
+jobs:
+  semgrep:
+    # User definable name of this GitHub Actions job.
+    permissions:
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # for github/codeql-action/upload-sarif to upload SARIF results
+    name: semgrep/ci 
+    # If you are self-hosting, change the following `runs-on` value: 
+    runs-on: ubuntu-latest
+
+    container:
+      # A Docker image with Semgrep installed. Do not change this.
+      image: returntocorp/semgrep
+
+    # Skip any PR created by dependabot to avoid permission issues:
+    if: (github.actor != 'dependabot[bot]')
+
+    steps:
+      # Fetch project source with GitHub Actions Checkout.
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      # Run the "semgrep ci" command on the command line of the docker image.
+      - run: semgrep ci --sarif --output=semgrep.sarif
+        env:
+            # Add the rules that Semgrep uses by setting the SEMGREP_RULES environment variable. 
+            SEMGREP_RULES: p/default # more at semgrep.dev/explore
+
+      - name: Upload SARIF file for GitHub Advanced Security Dashboard
+        uses: github/codeql-action/upload-sarif@6c089f53dd51dc3fc7e599c3cb5356453a52ca9e # v2.20.0
+        with:
+          sarif_file: semgrep.sarif
+        if: always()
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83cfc2b..109f97d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased] - yyyy-mm-dd
 
-## [1.4.1] - 2023-02-06
+## [
+1.4.3] - 2023-08-24
 
-### Fixed
-Stop API in case of multiple instances on same machine
+### Changed
+Ruby 3 exists? deprecation fix
diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 0000000..ddd85cc
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1 @@
+* @browserstack/local-dev
diff --git a/browserstack-local.gemspec b/browserstack-local.gemspec
index 9fa2746..9d1a650 100644
--- a/browserstack-local.gemspec
+++ b/browserstack-local.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.name        = 'browserstack-local'
-  s.version     = '1.4.1'
-  s.date        = '2023-02-06'
+  s.version     = '1.4.3'
+  s.date        = '2023-08-24'
   s.summary     = "BrowserStack Local"
   s.description = "Ruby bindings for BrowserStack Local"
   s.authors     = ["BrowserStack"]
diff --git a/lib/browserstack/localbinary.rb b/lib/browserstack/localbinary.rb
index d3231e2..cab3f92 100644
--- a/lib/browserstack/localbinary.rb
+++ b/lib/browserstack/localbinary.rb
@@ -13,16 +13,16 @@ def initialize
     @http_path = case host_os
     when /mswin|msys|mingw|cygwin|bccwin|wince|emc/
       @windows = true
-      "https://bstack-local-prod.s3.amazonaws.com/BrowserStackLocal.exe"
+      "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal.exe"
     when /darwin|mac os/
-      "https://bstack-local-prod.s3.amazonaws.com/BrowserStackLocal-darwin-x64"
+      "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal-darwin-x64"
     when /linux-musl/
-      "https://bstack-local-prod.s3.amazonaws.com/BrowserStackLocal-alpine"
+      "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal-alpine"
     when /linux/
       if 1.size == 8
-        "https://bstack-local-prod.s3.amazonaws.com/BrowserStackLocal-linux-x64"
+        "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal-linux-x64"
       else
-        "https://bstack-local-prod.s3.amazonaws.com/BrowserStackLocal-linux-ia32"
+        "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal-linux-ia32"
       end
     end
 
@@ -34,7 +34,7 @@ def initialize
   end
 
   def download(dest_parent_dir)
-    unless File.exists? dest_parent_dir
+    unless File.exist? dest_parent_dir
       Dir.mkdir dest_parent_dir
     end
     uri = URI.parse(@http_path)
@@ -63,7 +63,7 @@ def binary_path
     dest_parent_dir = get_available_dirs
     binary_path = File.join(dest_parent_dir, "BrowserStackLocal#{".exe" if @windows}")
 
-    if File.exists? binary_path
+    if File.exist? binary_path
       binary_path
     else
       binary_path = download(dest_parent_dir)