diff --git a/mhcflurry/downloads.yml b/mhcflurry/downloads.yml
index 98f0eaa0540d975a2a3bf86105ceaf3d701a7b43..7e2f129f1a5f9216ff0f3af3c195deec3a0e4a31 100644
--- a/mhcflurry/downloads.yml
+++ b/mhcflurry/downloads.yml
@@ -44,7 +44,7 @@ releases:
               default: false
 
             - name: data_mass_spec_annotated
-              url: https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_annotated.20191030.tar.bz2
+              url: https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_annotated.20191220.tar.bz2
               default: false
 
             - name: data_references