diff --git a/requirements.txt b/requirements.txt
index 8f2f0558820fbad20044e27ed20504014852555a..edc74e25e72eb14c650647ec1c04bbf24853ac47 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,5 +12,5 @@ sciencebeam-alignment==0.0.2
 sciencebeam-utils==0.0.1
 sklearn-crfsuite==0.3.6
 six==1.12.0
-tensorflow-transform==0.11.0
+tensorflow-transform==0.13.0
 tqdm==4.30.0