diff --git a/matrix-synapse.spec b/matrix-synapse.spec
index 60ec6e4..c4f3985 100644
--- a/matrix-synapse.spec
+++ b/matrix-synapse.spec
@@ -1,8 +1,8 @@
 %global srcname synapse
 
 # Version suffix in URL when building release candidates
-%global rcx %{nil}
-%global ghversion 1.37.1
+%global rcx rc1
+%global ghversion 1.38.0
 
 %{?python_enable_dependency_generator}