heroku
diff --git a/Diff for: ‎changelog.md
+1 b/Diff for: ‎changelog.md
+1
diff --git a/Diff for: ‎nginx-heroku-20.tgz
-950 Bytes b/Diff for: ‎nginx-heroku-20.tgz
-950 Bytes
diff --git a/Diff for: ‎nginx-heroku-22.tgz
15 Bytes b/Diff for: ‎nginx-heroku-22.tgz
15 Bytes
diff --git a/Diff for: ‎scripts/build_nginx
+1-1 b/Diff for: ‎scripts/build_nginx
+1-1
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changes
 - [heroku-18] Removed
 - Add documentation for migrating from heroku-community/static buildpack
+- Update zlib from 1.2.13 to 1.3.1
 
 ## [1.10] - 2023-06-13
 ### Changes
 
@@ -7,7 +7,7 @@
 NGINX_VERSION=${NGINX_VERSION-1.25.1}
 PCRE_VERSION=${PCRE_VERSION-8.45}
 HEADERS_MORE_VERSION=${HEADERS_MORE_VERSION-0.34}
-ZLIB_VERSION=${ZLIB_VERSION-1.2.13}
+ZLIB_VERSION=${ZLIB_VERSION-1.3.1}
 UUID4_VERSION=${UUID4_VERSION-master}
 
 nginx_tarball_url=https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz