diff --git a/go.mod b/go.mod
index 520d80a..a0d7870 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module github.com/protoconf/protoconf-xds
 
-go 1.20
+go 1.21
+
+toolchain go1.23.6
 
 require (
 	github.com/avast/retry-go v3.0.0+incompatible
@@ -11,7 +13,7 @@ require (
 	github.com/smintz/keygroup v0.1.0
 	github.com/stephenafamo/orchestra v0.0.0-20221122233638-c6ea527f65e7
 	google.golang.org/grpc v1.58.3
-	google.golang.org/protobuf v1.32.0
+	google.golang.org/protobuf v1.36.5
 )
 
 require (
diff --git a/go.sum b/go.sum
index da64d40..3d01264 100644
--- a/go.sum
+++ b/go.sum
@@ -202,6 +202,8 @@ google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
 google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
+google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=