diff --git a/Sources/GRPC/Version.swift b/Sources/GRPC/Version.swift
index 57665669a..b225e798d 100644
--- a/Sources/GRPC/Version.swift
+++ b/Sources/GRPC/Version.swift
@@ -19,7 +19,7 @@ internal enum Version {
   internal static let major = 1
 
   /// The minor version.
-  internal static let minor = 20
+  internal static let minor = 21
 
   /// The patch version.
   internal static let patch = 0