diff --git a/pyproject.toml b/pyproject.toml
index dbed0ee..c97983d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -109,8 +109,8 @@ replace = "{new_version}"
 
 [[tool.bumpversion.files]]
 filename = "requirements/requirements-base.txt"
-search = "bfio[all]=={current_version}"
-replace = "bfio[all]=={new_version}"
+search = "bfio=={current_version}"
+replace = "bfio=={new_version}"
 
 [[tool.bumpversion.files]]
 filename = "README.md"
diff --git a/requirements/requirements-base.txt b/requirements/requirements-base.txt
index c7bdaae..93bb681 100644
--- a/requirements/requirements-base.txt
+++ b/requirements/requirements-base.txt
@@ -1 +1 @@
-bfio[all]==2.3.5
+bfio==2.3.5