diff --git a/meson.build b/meson.build
index af9f038..4eca361 100644
--- a/meson.build
+++ b/meson.build
@@ -1979,6 +1979,7 @@
 tasn1 = not_found
 if gnutls.found()
   tasn1 = dependency('libtasn1',
+                     required: false,
                      method: 'pkg-config')
 endif
 keyutils = not_found