diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b0a1b7..49cb26c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [3.1.1](https://github.com/snakemake/snakemake-interface-storage-plugins/compare/v3.1.0...v3.1.1) (2024-03-07)
+
+
+### Bug Fixes
+
+* test mtime in test suite ([#38](https://github.com/snakemake/snakemake-interface-storage-plugins/issues/38)) ([5cdd759](https://github.com/snakemake/snakemake-interface-storage-plugins/commit/5cdd759c8268c38326c67fef3d477fa113fa4351))
+
 ## [3.1.0](https://github.com/snakemake/snakemake-interface-storage-plugins/compare/v3.0.0...v3.1.0) (2024-02-19)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 4d18dce..1db1fde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "snakemake-interface-storage-plugins"
-version = "3.1.0"
+version = "3.1.1"
 description = "This package provides a stable interface for interactions between Snakemake and its storage plugins."
 authors = ["Johannes Koester <johannes.koester@uni-due.de>"]
 readme = "README.md"