diff --git a/setup.py b/setup.py
index 97e4d1fe36..9dd920aab3 100644
--- a/setup.py
+++ b/setup.py
@@ -80,7 +80,7 @@ def build_native(spec):
         'doc' : ['sphinx', 'myst-parser[sphinx]', 'alabaster',
                  "sphinxcontrib-napoleon", "nbsphinx",
                  "ipython"],
-        '10x': ['bam2fasta==1.0.8'],
+        '10x': ['bam2fasta==1.0.8', 'pysam==0.16.0.1'],
         'storage': ["ipfshttpclient>=0.4.13", "redis"]
     },
     "include_package_data": True,