diff --git a/tests/upper-constraints.txt b/tests/upper-constraints.txt
index c8c57deea..75f337856 100644
--- a/tests/upper-constraints.txt
+++ b/tests/upper-constraints.txt
@@ -2,12 +2,13 @@
 # pip dependency resolver from spending too much time backtracking.
 attrs>=20.2.0
 Automat>=0.8.0
+botocore>=1.20.3
 itemadapter>=0.1.1
 itemloaders>=1.0.3
 lxml>=4.6.1
 parsel>=1.5.2
 Pillow>=8.0.1
-pyOpenSSL>=20.0.0
+pyOpenSSL>=17.5  # mitmproxy 4.0.4
 pytest>=6.2.1
 pytest-twisted>=1.13.1
 service_identity>=17.0.0