diff --git a/premium_primitives/tests/requirement_files/minimum_core_requirements.txt b/premium_primitives/tests/requirement_files/minimum_core_requirements.txt
index 75afa79..f96efac 100644
--- a/premium_primitives/tests/requirement_files/minimum_core_requirements.txt
+++ b/premium_primitives/tests/requirement_files/minimum_core_requirements.txt
@@ -1,8 +1,10 @@
 featuretools==1.5.0
+nltk==3.4.5
 numpy==1.21.0
 pandas==1.5.0
 phone-iso3166==0.3
 phonenumbers==8.10.6
 reverse_geocoder==1.5.1
+scikit-learn==0.20.0
 woodwork==0.8.1
 zipcodes==1.0.5
diff --git a/premium_primitives/tests/requirement_files/minimum_test_requirements.txt b/premium_primitives/tests/requirement_files/minimum_test_requirements.txt
index a360ac6..8ba79f9 100644
--- a/premium_primitives/tests/requirement_files/minimum_test_requirements.txt
+++ b/premium_primitives/tests/requirement_files/minimum_test_requirements.txt
@@ -1,4 +1,5 @@
 featuretools==1.5.0
+nltk==3.4.5
 numpy==1.21.0
 pandas==1.5.0
 phone-iso3166==0.3
@@ -8,5 +9,6 @@ pytest-cov==3.0.0
 pytest-xdist==2.5.0
 pytest==7.1.2
 reverse_geocoder==1.5.1
+scikit-learn==0.20.0
 woodwork==0.8.1
 zipcodes==1.0.5