diff --git a/mhcflurry/downloads.yml b/mhcflurry/downloads.yml
index eee63cdf21f35c7cb0175772956d00829df0d477..2d5a5ec1599c9950c73de87c6a4465005a4c842a 100644
--- a/mhcflurry/downloads.yml
+++ b/mhcflurry/downloads.yml
@@ -40,20 +40,20 @@ releases:
 
             - name: data_mass_spec_benchmark
               part_urls:
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.aa
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ab
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ac
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ad
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ae
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.af
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ag
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ah
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ai
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.aj
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.ak
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.al
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.am
-                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20191225.tar.bz2.part.an
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.aa
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ab
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ac
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ad
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ae
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.af
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ag
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ah
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ai
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.aj
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.ak
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.al
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.am
+                - https://github.com/openvax/mhcflurry/releases/download/1.4.0/data_mass_spec_benchmark.20200102.tar.bz2.part.an
               default: false
 
             - name: data_mass_spec_annotated