diff --git a/README.md b/README.md
index 134faf7..ae7592e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Find pairs and compute metrics between them.
 ## Installation
 
 ```bash
-pip install git+https://github.com/cytomining/copairs.git@v0.4.0
+pip install git+https://github.com/cytomining/copairs.git@v0.4.1
 ```
 
 ## Usage
diff --git a/pyproject.toml b/pyproject.toml
index 538f042..5489728 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "copairs"
-version = "0.4.0"
+version = "0.4.1"
 description = "Find pairs and compute metrics between them"
 readme = "README.md"
 requires-python = ">=3.8"