diff --git a/docker/build_scripts/build_env.sh b/docker/build_scripts/build_env.sh
index 384e7cc9..10cc67b7 100644
--- a/docker/build_scripts/build_env.sh
+++ b/docker/build_scripts/build_env.sh
@@ -2,7 +2,7 @@
 
 PYTHON_DOWNLOAD_URL=https://www.python.org/ftp/python
 # of the form <maj>.<min>.<rev> or <maj>.<min>.<rev>rc<n>
-CPYTHON_VERSIONS="2.7.18 3.5.10 3.6.12 3.7.9 3.8.6 3.9.1"
+CPYTHON_VERSIONS="2.7.18 3.5.10 3.6.12 3.7.9 3.8.7 3.9.1"
 
 # openssl version to build, with expected sha256 hash of .tar.gz
 # archive.