diff --git a/pyproject.toml b/pyproject.toml
index 34acf73..0aac8f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,6 +57,6 @@ dev = [
     "pre-commit>=4.3.0",
     "pytest>=8.4.1",
     "pytest-cov>=6.2.1",
-    "textual-dev==1.7.0",
+    "textual-dev==1.8.0",
     "tomli-w>=1.2.0",
 ]