diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b586909335..b3c42073b7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -231,6 +231,9 @@ jobs:
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2.1.3
+        with:
+          go-version: 1.15
       - uses: technote-space/get-diff-action@v4
         id: git_diff
         with:
diff --git a/go.mod b/go.mod
index ad65e29a68..39e2804248 100644
--- a/go.mod
+++ b/go.mod
@@ -44,7 +44,7 @@ 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 v0.34.0-rc6
+	github.com/tendermint/tendermint v0.34.0
 	github.com/tendermint/tm-db v0.6.3
 	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
 	golang.org/x/net v0.0.0-20200930145003-4acb6c075d10 // indirect
diff --git a/go.sum b/go.sum
index 3fb9fc93bf..fea22c921e 100644
--- a/go.sum
+++ b/go.sum
@@ -599,6 +599,8 @@ github.com/tendermint/go-amino v0.16.0/go.mod h1:TQU0M1i/ImAo+tYpZi73AU3V/dKeCoM
 github.com/tendermint/tendermint v0.34.0-rc4/go.mod h1:yotsojf2C1QBOw4dZrTcxbyxmPUrT4hNuOQWX9XUwB4=
 github.com/tendermint/tendermint v0.34.0-rc6 h1:SVuKGvvE22KxfuK8QUHctUrmOWJsncZSYXIYtcnoKN0=
 github.com/tendermint/tendermint v0.34.0-rc6/go.mod h1:ugzyZO5foutZImv0Iyx/gOFCX6mjJTgbLHTwi17VDVg=
+github.com/tendermint/tendermint v0.34.0 h1:eXCfMgoqVSzrjzOj6clI9GAejcHH0LvOlRjpCmMJksU=
+github.com/tendermint/tendermint v0.34.0/go.mod h1:Aj3PIipBFSNO21r+Lq3TtzQ+uKESxkbA3yo/INM4QwQ=
 github.com/tendermint/tm-db v0.6.2 h1:DOn8jwCdjJblrCFJbtonEIPD1IuJWpbRUUdR8GWE4RM=
 github.com/tendermint/tm-db v0.6.2/go.mod h1:GYtQ67SUvATOcoY8/+x6ylk8Qo02BQyLrAs+yAcLvGI=
 github.com/tendermint/tm-db v0.6.3 h1:ZkhQcKnB8/2jr5EaZwGndN4owkPsGezW2fSisS9zGbg=
diff --git a/x/ibc/light-clients/07-tendermint/types/fraction.go b/x/ibc/light-clients/07-tendermint/types/fraction.go
index a8d8274146..e445f19ba6 100644
--- a/x/ibc/light-clients/07-tendermint/types/fraction.go
+++ b/x/ibc/light-clients/07-tendermint/types/fraction.go
@@ -11,15 +11,15 @@ var DefaultTrustLevel = NewFractionFromTm(light.DefaultTrustLevel)
 // NewFractionFromTm returns a new Fraction instance from a tmmath.Fraction
 func NewFractionFromTm(f tmmath.Fraction) Fraction {
 	return Fraction{
-		Numerator:   uint64(f.Numerator),
-		Denominator: uint64(f.Denominator),
+		Numerator:   f.Numerator,
+		Denominator: f.Denominator,
 	}
 }
 
 // ToTendermint converts Fraction to tmmath.Fraction
 func (f Fraction) ToTendermint() tmmath.Fraction {
 	return tmmath.Fraction{
-		Numerator:   int64(f.Numerator),
-		Denominator: int64(f.Denominator),
+		Numerator:   f.Numerator,
+		Denominator: f.Denominator,
 	}
 }