diff --git a/pyproject.toml b/pyproject.toml
index c2b4902..c683189 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ dependencies = [
     "threadpoolctl == 3.6.0",
     "tomli == 2.4.1",
     "tqdm == 4.67.3",
-    "tweakwcs == 0.8.12",
+    "tweakwcs == 0.9.0",
 ]
 
 [project.optional-dependencies]