diff --git a/requirements-test.txt b/requirements-test.txt
index c459be6f25..0604e23a01 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -7,4 +7,4 @@ ipython
 setuptools; python_version >= '3.12'
 pkgconfig
 pytest-textual-snapshot
-textual >= '0.43'
+textual >= 0.43, != 0.65.2, != 0.66
diff --git a/setup.py b/setup.py
index 2a0b3ec0dd..f556897314 100644
--- a/setup.py
+++ b/setup.py
@@ -119,6 +119,7 @@ def build_js_files(self):
     "ipython",
     "setuptools; python_version >= '3.12'",
     "pytest-textual-snapshot",
+    "textual >= 0.43, != 0.65.2, != 0.66",
 ]
 
 benchmark_requires = [