diff --git a/README.md b/README.md
index d96afcb..a4b93ae 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ A library for implementing a price oracle on the Terra network.
 
 ## Example
 
-See `cmd/example` directory for an example oracle program.
+See `example` directory for an example oracle program.
 
 ## Sponsors
 
diff --git a/cmd/example/terra_oracle.go b/example/terra_oracle.go
similarity index 93%
rename from cmd/example/terra_oracle.go
rename to example/terra_oracle.go
index 5315917..62d5b22 100644
--- a/cmd/example/terra_oracle.go
+++ b/example/terra_oracle.go
@@ -7,8 +7,8 @@ import (
 	"github.com/cosmos/cosmos-sdk/types"
 	"github.com/tendermint/tendermint/rpc/client"
 
-	"github.com/certusone/terra-oracle/internal/oracle"
-	"github.com/certusone/terra-oracle/internal/signer"
+	"github.com/certusone/terra-oracle/pkg/oracle"
+	"github.com/certusone/terra-oracle/pkg/signer"
 )
 
 // examplePriceProvider implements the PriceProvider interface
diff --git a/go.mod b/go.mod
index 6f56096..23a13ee 100644
--- a/go.mod
+++ b/go.mod
@@ -13,3 +13,5 @@ replace (
 	github.com/cosmos/cosmos-sdk => github.com/YunSuk-Yeo/cosmos-sdk v0.34.7-terra
 	golang.org/x/crypto => github.com/tendermint/crypto v0.0.0-20180820045704-3764759f34a5
 )
+
+go 1.13
diff --git a/internal/oracle/init.go b/pkg/oracle/init.go
similarity index 100%
rename from internal/oracle/init.go
rename to pkg/oracle/init.go
diff --git a/internal/oracle/oracle.go b/pkg/oracle/oracle.go
similarity index 99%
rename from internal/oracle/oracle.go
rename to pkg/oracle/oracle.go
index cd8f386..025d987 100644
--- a/internal/oracle/oracle.go
+++ b/pkg/oracle/oracle.go
@@ -6,7 +6,7 @@ import (
 	"log"
 	"time"
 
-	"github.com/certusone/terra-oracle/internal/signer"
+	"github.com/certusone/terra-oracle/pkg/signer"
 	ctypes "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/auth"
 	tcontext "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
diff --git a/internal/oracle/rpc.go b/pkg/oracle/rpc.go
similarity index 100%
rename from internal/oracle/rpc.go
rename to pkg/oracle/rpc.go
diff --git a/internal/oracle/types.go b/pkg/oracle/types.go
similarity index 100%
rename from internal/oracle/types.go
rename to pkg/oracle/types.go
diff --git a/internal/oracle/vote.go b/pkg/oracle/vote.go
similarity index 100%
rename from internal/oracle/vote.go
rename to pkg/oracle/vote.go
diff --git a/internal/signer/hd_signer.go b/pkg/signer/hd_signer.go
similarity index 100%
rename from internal/signer/hd_signer.go
rename to pkg/signer/hd_signer.go
diff --git a/internal/signer/signer.go b/pkg/signer/signer.go
similarity index 100%
rename from internal/signer/signer.go
rename to pkg/signer/signer.go