diff --git a/x/tx/go.mod b/x/tx/go.mod
index 2392a97d5e5d..5a3c7150a13b 100644
--- a/x/tx/go.mod
+++ b/x/tx/go.mod
@@ -1,6 +1,6 @@
 module cosmossdk.io/x/tx
 
-go 1.21
+go 1.23
 
 require (
 	cosmossdk.io/api v0.7.4
@@ -15,7 +15,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.9.0
 	github.com/tendermint/go-amino v0.16.0
-	google.golang.org/protobuf v1.33.0
+	google.golang.org/protobuf v1.36.9
 	gotest.tools/v3 v3.5.1
 	pgregory.net/rapid v1.1.0
 )
diff --git a/x/tx/go.sum b/x/tx/go.sum
index 03dd8b623630..338b9df20b59 100644
--- a/x/tx/go.sum
+++ b/x/tx/go.sum
@@ -59,8 +59,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
 google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
 google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.36.9 h1:w2gp2mA27hUeUzj9Ex9FBjsBm40zfaDtEWow293U7Iw=
+google.golang.org/protobuf v1.36.9/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=