diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95580df8e862..7db2b9c0a336 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,8 +40,14 @@ Since **v0.45.15**, the v0.45.x line of the Cosmos SDK has reached end-of-life.
 Any release after **v0.45.15** is a security release that contains security fixes.
 It is strongly recommended to upgrade to these releases as well.
 
+### Features
+
 * (upgrade) [#12603](https://github.com/cosmos/cosmos-sdk/pull/12603) feat: Move AppModule.BeginBlock and AppModule.EndBlock to extension interfaces
 
+### Improvements
+
+* [#12649](https://github.com/cosmos/cosmos-sdk/pull/12649) Bump tendermint to v0.34.20.
+
 ### Features
 
 ## [v0.46.0-rc3](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.46.0-rc3) - 2022-07-18
diff --git a/go.mod b/go.mod
index 5fe47631aaa6..8535094953e9 100644
--- a/go.mod
+++ b/go.mod
@@ -48,11 +48,11 @@ require (
 	github.com/tendermint/btcd v0.1.1
 	github.com/tendermint/crypto v0.0.0-20191022145703-50d29ede1e15
 	github.com/tendermint/go-amino v0.16.0
-	github.com/tendermint/tendermint v0.34.20-rc1
+	github.com/tendermint/tendermint v0.34.20
 	github.com/tendermint/tm-db v0.6.7
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
 	google.golang.org/genproto v0.0.0-20220519153652-3a47de7e79bd
-	google.golang.org/grpc v1.47.0
+	google.golang.org/grpc v1.48.0
 	google.golang.org/protobuf v1.28.0
 	pgregory.net/rapid v0.4.7
 	sigs.k8s.io/yaml v1.3.0
diff --git a/go.sum b/go.sum
index bb9e2b883334..3cded9fc9e7a 100644
--- a/go.sum
+++ b/go.sum
@@ -1172,8 +1172,8 @@ github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c/go.mod h1:ahpPrc7
 github.com/tendermint/go-amino v0.16.0 h1:GyhmgQKvqF82e2oZeuMSp9JTN0N09emoSZlb2lyGa2E=
 github.com/tendermint/go-amino v0.16.0/go.mod h1:TQU0M1i/ImAo+tYpZi73AU3V/dKeCoMC9Sphe2ZwGME=
 github.com/tendermint/tendermint v0.34.14/go.mod h1:FrwVm3TvsVicI9Z7FlucHV6Znfd5KBc/Lpp69cCwtk0=
-github.com/tendermint/tendermint v0.34.20-rc1 h1:5ej9Fk5zlDF6Pa8/FJKp9j3Sto95JdCV+wVJFi94E5k=
-github.com/tendermint/tendermint v0.34.20-rc1/go.mod h1:u2xI6q3IeLQQ2NdIpRKLUKBNog0o7EzBpvDCE0/OTmg=
+github.com/tendermint/tendermint v0.34.20 h1:/pmvJhO3IqOxhbi8iRXudTjA2YKpaMqrLwFNkyxDSzw=
+github.com/tendermint/tendermint v0.34.20/go.mod h1:KtOwCLYJcsS1ymtAfnjjAtXfXClbqcqjdqzFt2Em1Ac=
 github.com/tendermint/tm-db v0.6.4/go.mod h1:dptYhIpJ2M5kUuenLr+Yyf3zQOv1SgBZcl8/BmWlMBw=
 github.com/tendermint/tm-db v0.6.6/go.mod h1:wP8d49A85B7/erz/r4YbKssKw6ylsO/hKtFk7E1aWZI=
 github.com/tendermint/tm-db v0.6.7 h1:fE00Cbl0jayAoqlExN6oyQJ7fR/ZtoVOmvPJ//+shu8=
@@ -1821,8 +1821,8 @@ google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ5
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
 google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc v1.46.2/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.47.0 h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=
-google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.48.0 h1:rQOsyJ/8+ufEDJd/Gdsz7HG220Mh9HAhFHRGnIjda0w=
+google.golang.org/grpc v1.48.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=