diff --git a/irc/version.go b/irc/version.go
index 217e47fd..f51775c5 100644
--- a/irc/version.go
+++ b/irc/version.go
@@ -7,7 +7,7 @@ import "fmt"
 
 const (
 	// SemVer is the semantic version of Oragono.
-	SemVer = "2.1.0-unreleased"
+	SemVer = "2.1.0-rc1"
 )
 
 var (