diff --git a/tests/meson.build b/tests/meson.build
index 5482aa86..bd90df15 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -190,7 +190,7 @@ foreach test: tests
   )
   # Increase the timeout as on some architectures the tests could be slower
   # than the default 30 seconds.
-  test(test_name, test_target, env : env, is_parallel : test[1], timeout : 60)
+  test(test_name, test_target, env : env, is_parallel : test[1], timeout : 300)
 endforeach
 
 executable('ntlm-test-helper', 'ntlm-test-helper.c',