diff --git a/.github/matrix.py b/.github/matrix.py
index cde2bbea5..98d0a1f2a 100755
--- a/.github/matrix.py
+++ b/.github/matrix.py
@@ -128,6 +128,7 @@ for CC in ["gcc", "clang"]:
     for ssl in [
         "stock",
         "OPENSSL_VERSION=1.0.2u",
+        "OPENSSL_VERSION=1.1.1s",
         "OPENSSL_VERSION=latest",
         "LIBRESSL_VERSION=latest",
         "QUICTLS=yes",