diff --git a/pyproject.toml b/pyproject.toml
index c97bfaa..4e1e2e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ lines-after-imports = 2
 # See https://github.com/opensafely-core/repo-template/blob/main/DEVELOPERS.md for details
 [tool.uv]
 required-version = ">=0.9"
-exclude-newer = "2026-03-20T00:00:00Z"
+exclude-newer = "2026-03-21T00:00:00Z"
 exclude-newer-package = {}
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index df1065c..7cdbc3e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3,7 +3,7 @@ revision = 3
 requires-python = ">=3.13"
 
 [options]
-exclude-newer = "2026-03-20T00:00:00Z"
+exclude-newer = "2026-03-21T00:00:00Z"
 
 [[package]]
 name = "anyio"