diff --git a/source/packages/@ada/infra/src/services/data-product/components/schema-preview/docker-image/transform-sandbox-requirements.txt b/source/packages/@ada/infra/src/services/data-product/components/schema-preview/docker-image/transform-sandbox-requirements.txt
index 23c6fcd..f312291 100644
--- a/source/packages/@ada/infra/src/services/data-product/components/schema-preview/docker-image/transform-sandbox-requirements.txt
+++ b/source/packages/@ada/infra/src/services/data-product/components/schema-preview/docker-image/transform-sandbox-requirements.txt
@@ -24,7 +24,7 @@ kiwisolver==1.3.2
 matplotlib==3.4.3
 mpmath==1.3.0
 multidict==6.0.2
-nltk==3.6.6
+nltk==3.9
 numpy==1.19.5
 packaging==21.3
 pandas==1.3.2