diff --git a/.github/.release-please-manifest.json b/.github/.release-please-manifest.json
index 9e3120ae..aeb985ad 100644
--- a/.github/.release-please-manifest.json
+++ b/.github/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "4.12.0"
+    ".": "4.13.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4372c54e..6f569df1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [4.13.0](https://github.com/testcontainers/testcontainers-python/compare/testcontainers-v4.12.0...testcontainers-v4.13.0) (2025-08-08)
+
+
+### Features
+
+* **core:** DockerCompose: support list of env_files ([#847](https://github.com/testcontainers/testcontainers-python/issues/847)) ([fe206eb](https://github.com/testcontainers/testcontainers-python/commit/fe206eb48ee9e18623761926900bfc33a8a869a7))
+
+
+### Bug Fixes
+
+* **core:** Make TC_POOLING_INTERVAL/sleep_time a float ([#839](https://github.com/testcontainers/testcontainers-python/issues/839)) ([a072f3f](https://github.com/testcontainers/testcontainers-python/commit/a072f3fad46b3b3e7c5bea6255f27b79826aaf5f))
+
 ## [4.12.0](https://github.com/testcontainers/testcontainers-python/compare/testcontainers-v4.11.0...testcontainers-v4.12.0) (2025-07-21)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 5cc32197..03e90082 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "testcontainers"
-version = "4.12.0"  # auto-incremented by release-please
+version = "4.13.0"  # auto-incremented by release-please
 description = "Python library for throwaway instances of anything that can run in a Docker container"
 authors = ["Sergey Pirogov <automationremarks@gmail.com>"]
 maintainers = [