diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9244bd090..ec6ee7082 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 # Changelog
 
 
+## [v27.0.0](https://github.com/stellar/stellar-rpc/compare/v26.0.1...v27.0.0)
+
+### Breaking Changes
+* XDR has been updated to support Protocol 27 ([#761](https://github.com/stellar/stellar-rpc/pull/761), [#766](https://github.com/stellar/stellar-rpc/pull/766)).
+
+
 ## [v26.0.1](https://github.com/stellar/stellar-rpc/compare/v26.0.0...v26.0.1)
 
 ### Fixed
diff --git a/go.mod b/go.mod
index 46d6be3fa..b2f97db58 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@ require (
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/pflag v1.0.5
-	github.com/stellar/go-stellar-sdk v0.5.1-0.20260605220916-532e2b5144d4
+	github.com/stellar/go-stellar-sdk v0.6.0
 	github.com/stretchr/testify v1.11.1
 )
 
diff --git a/go.sum b/go.sum
index 480443b93..0315adfb4 100644
--- a/go.sum
+++ b/go.sum
@@ -429,8 +429,8 @@ github.com/spf13/viper v1.17.0 h1:I5txKw7MJasPL/BrfkbA0Jyo/oELqVmux4pR/UxOMfI=
 github.com/spf13/viper v1.17.0/go.mod h1:BmMMMLQXSbcHK6KAOiFLz0l5JHrU89OdIRHvsk0+yVI=
 github.com/spiffe/go-spiffe/v2 v2.6.0 h1:l+DolpxNWYgruGQVV0xsfeya3CsC7m8iBzDnMpsbLuo=
 github.com/spiffe/go-spiffe/v2 v2.6.0/go.mod h1:gm2SeUoMZEtpnzPNs2Csc0D/gX33k1xIx7lEzqblHEs=
-github.com/stellar/go-stellar-sdk v0.5.1-0.20260605220916-532e2b5144d4 h1:Bd1+/671sJJaCS/H7m4dj+uvryuN0qUcIuwi9jXdfMU=
-github.com/stellar/go-stellar-sdk v0.5.1-0.20260605220916-532e2b5144d4/go.mod h1:IkcqcrE9UQi7n/1y+MxKB+7qzdjG1T2kGOD7Ss8dqjw=
+github.com/stellar/go-stellar-sdk v0.6.0 h1:NM2oqZJQup0QxnJMq6C8s4iIIhU6rHFX0rlsF3wh/Ho=
+github.com/stellar/go-stellar-sdk v0.6.0/go.mod h1:IkcqcrE9UQi7n/1y+MxKB+7qzdjG1T2kGOD7Ss8dqjw=
 github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364 h1:gOKrfuWdZ92LFlv0TAwgZ7OsWKeBsOMDlGLyFgduI1w=
 github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364/go.mod h1:If+U9Z1W5xU97VrOgJandQT+2dN7/iOpkCrxBJEyF80=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=