diff --git a/tox.ini b/tox.ini
index 7a0e51a..1c392f6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,6 +16,7 @@ deps = pytest
        numpy>=1.15.4
        torch==1.13.1
        shapely>=1.7.0
+       tf_keras>=2.15.0
 
 [stable]
 deps = pytest
@@ -33,6 +34,7 @@ deps = pytest
        numpy>=1.15.4
        torch==1.13.1
        shapely>=1.7.0
+       tf_keras>=2.15.0
 
 [testenv:py39-stable]
 skip_install = True