diff --git a/x/tx/go.mod b/x/tx/go.mod
index 3eb540d92124..c3385fb8a85a 100644
--- a/x/tx/go.mod
+++ b/x/tx/go.mod
@@ -7,7 +7,7 @@ require (
 	cosmossdk.io/core v0.11.0
 	cosmossdk.io/errors v1.0.1
 	cosmossdk.io/math v1.3.0
-	github.com/cosmos/cosmos-proto v1.0.0-beta.4
+	github.com/cosmos/cosmos-proto v1.0.0-beta.5
 	github.com/cosmos/gogoproto v1.4.12
 	github.com/google/go-cmp v0.6.0
 	github.com/google/gofuzz v1.2.0
diff --git a/x/tx/go.sum b/x/tx/go.sum
index d142bf65559a..40b98e9e6987 100644
--- a/x/tx/go.sum
+++ b/x/tx/go.sum
@@ -6,8 +6,8 @@ cosmossdk.io/errors v1.0.1 h1:bzu+Kcr0kS/1DuPBtUFdWjzLqyUuCiyHjyJB6srBV/0=
 cosmossdk.io/errors v1.0.1/go.mod h1:MeelVSZThMi4bEakzhhhE/CKqVv3nOJDA25bIqRDu/U=
 cosmossdk.io/math v1.3.0 h1:RC+jryuKeytIiictDslBP9i1fhkVm6ZDmZEoNP316zE=
 cosmossdk.io/math v1.3.0/go.mod h1:vnRTxewy+M7BtXBNFybkuhSH4WfedVAAnERHgVFhp3k=
-github.com/cosmos/cosmos-proto v1.0.0-beta.4 h1:aEL7tU/rLOmxZQ9z4i7mzxcLbSCY48OdY7lIWTLG7oU=
-github.com/cosmos/cosmos-proto v1.0.0-beta.4/go.mod h1:oeB+FyVzG3XrQJbJng0EnV8Vljfk9XvTIpGILNU/9Co=
+github.com/cosmos/cosmos-proto v1.0.0-beta.5 h1:eNcayDLpip+zVLRLYafhzLvQlSmyab+RC5W7ZfmxJLA=
+github.com/cosmos/cosmos-proto v1.0.0-beta.5/go.mod h1:hQGLpiIUloJBMdQMMWb/4wRApmI9hjHH05nefC0Ojec=
 github.com/cosmos/gogoproto v1.4.12 h1:vB6Lbe/rtnYGjQuFxkPiPYiCybqFT8QvLipDZP8JpFE=
 github.com/cosmos/gogoproto v1.4.12/go.mod h1:LnZob1bXRdUoqMMtwYlcR3wjiElmlC+FkjaZRv1/eLY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=