diff --git a/contrib/gitian-downloader/linux-download-config b/contrib/gitian-downloader/linux-download-config
index 36f5f682..938400e7 100644
--- a/contrib/gitian-downloader/linux-download-config
+++ b/contrib/gitian-downloader/linux-download-config
@@ -15,6 +15,10 @@ signers:
     weight: 40
     name: Devrandom
     key: devrandom
+  E463A93F5F3117EEDE6C7316BD02942421F4889F:
+    weight: 40
+    name: Luke-Jr
+    key: luke-jr
   D762373D24904A3E42F33B08B9A408E71DAAC974:
     weight: 40
     name: Sipa
diff --git a/contrib/gitian-downloader/luke-jr-key.pgp b/contrib/gitian-downloader/luke-jr-key.pgp
new file mode 100644
index 00000000..c40917d7
Binary files /dev/null and b/contrib/gitian-downloader/luke-jr-key.pgp differ
diff --git a/contrib/gitian-downloader/win32-download-config b/contrib/gitian-downloader/win32-download-config
index b1e1c739..6789936a 100644
--- a/contrib/gitian-downloader/win32-download-config
+++ b/contrib/gitian-downloader/win32-download-config
@@ -15,6 +15,10 @@ signers:
     weight: 40
     name: Devrandom
     key: devrandom
+  E463A93F5F3117EEDE6C7316BD02942421F4889F:
+    weight: 40
+    name: Luke-Jr
+    key: luke-jr
   D762373D24904A3E42F33B08B9A408E71DAAC974:
     weight: 40
     name: Sipa