diff --git a/common/lib/chem/setup.py b/common/lib/chem/setup.py
index 12f8bddefd7..5bbabbfcb9e 100644
--- a/common/lib/chem/setup.py
+++ b/common/lib/chem/setup.py
@@ -6,7 +6,7 @@
     packages=["chem"],
     install_requires=[
         "pyparsing==2.2.0",
-        "numpy==1.6.2",
+        "numpy==1.21.0",
         "scipy==0.14.0",
         "nltk",
         "markupsafe",  # Should be replaced by other utilities. See LEARNER-5853 for more details.