diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 0e5c4da..5628430 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -541,6 +541,11 @@ add_executable(x25519test x25519test.c)
 target_link_libraries(x25519test ${OPENSSL_LIBS})
 add_test(x25519test x25519test)
 
+# x509attribute
+add_executable(x509attribute x509attribute.c)
+target_link_libraries(x509attribute ${OPENSSL_LIBS})
+add_test(x509attribute x509attribute)
+
 # x509name
 add_executable(x509name x509name.c)
 target_link_libraries(x509name ${OPENSSL_LIBS})
diff --git a/tests/Makefile.am b/tests/Makefile.am
index f340f78..ddb3d05 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -479,6 +479,11 @@ TESTS += x25519test
 check_PROGRAMS += x25519test
 x25519test_SOURCES = x25519test.c
 
+# x509attribute
+TESTS += x509attribute
+check_PROGRAMS += x509attribute
+x509attribute_SOURCES = x509attribute.c
+
 # x509name
 TESTS += x509name
 check_PROGRAMS += x509name