diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb1ed322a..2a4ab3a9e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v2.26.1
+
+### Added
+
+* `ContractNonces` to `ContractFunctionResult` to support HIP-729
+
 ## v2.26.0
 
 ### Added
diff --git a/go.mod b/go.mod
index 27f5cc37a..3273e0df0 100644
--- a/go.mod
+++ b/go.mod
@@ -7,8 +7,8 @@ require (
 	github.com/cenkalti/backoff/v4 v4.2.1
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
 	github.com/ethereum/go-ethereum v1.12.0
+	github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230720072335-ed5726877e99
 	github.com/holiman/uint256 v1.2.3 // indirect
-	github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230620121835-2f2656b1f434
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/rs/zerolog v1.29.1
diff --git a/go.sum b/go.sum
index 4c5818e65..3bce5e26f 100644
--- a/go.sum
+++ b/go.sum
@@ -1176,6 +1176,8 @@ github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230222133122-6549ac627de9 h1
 github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230222133122-6549ac627de9/go.mod h1:av0VF39ClcbPoUcDfMWnocYdjyPXKJJYB30h51fuuyg=
 github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230620121835-2f2656b1f434 h1:zrc6tknD5Ry2lmED1mScl2THVMuLOAcRiUzl5v0qx+k=
 github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230620121835-2f2656b1f434/go.mod h1:av0VF39ClcbPoUcDfMWnocYdjyPXKJJYB30h51fuuyg=
+github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230720072335-ed5726877e99 h1:WElTEZNrjbsdtC45VHu+2F7ilx6wDUdTC+HGAeOh8NY=
+github.com/hashgraph/hedera-protobufs-go v0.2.1-0.20230720072335-ed5726877e99/go.mod h1:av0VF39ClcbPoUcDfMWnocYdjyPXKJJYB30h51fuuyg=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=