diff --git a/.github/matrix.py b/.github/matrix.py
index 14d3b5e..3b4ac0a 100644
--- a/.github/matrix.py
+++ b/.github/matrix.py
@@ -127,7 +127,7 @@
         "stock",
         "OPENSSL_VERSION=1.0.2u",
         "OPENSSL_VERSION=latest",
-        "LIBRESSL_VERSION=latest",
+        "LIBRESSL_VERSION=3.5.3",
 #        "BORINGSSL=yes",
     ]:
         flags = ["USE_OPENSSL=1"]