diff --git a/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py b/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
index 334142dde2..5a022c85e3 100644
--- a/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
+++ b/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
@@ -9,6 +9,9 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
+import pytest
 
+
+@pytest.mark.xfail(reason="openssl bug causes failure on bookworm [GL #4814]")
 def test_enginepkcs11(run_tests_sh):
     run_tests_sh()
diff --git a/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py b/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py
index 9cbf56e125..07ee88ca63 100644
--- a/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py
+++ b/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py
@@ -9,6 +9,9 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
+import pytest
 
+
+@pytest.mark.xfail(reason="openssl bug causes failure on bookworm [GL #4814]")
 def test_keyfromlabel(run_tests_sh):
     run_tests_sh()