diff --git a/pyproject.toml b/pyproject.toml
index ddeb164..1554ad1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
 ]
 
 dependencies = [
-    "titanoboa>=0.2.6",
+    "titanoboa>=0.2.5",
 ]
 
 [project.optional-dependencies]