diff --git a/.circleci/config.yml b/.circleci/config.yml
index a254b32..63b58b7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -50,7 +50,7 @@ jobs:
       name: default
     steps:
       - *fast-checkout
-      - run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.27.0
+      - run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.30.0
       - run: make lint
   check-license:
     executor:
diff --git a/Makefile b/Makefile
index 9429579..c0a20a7 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,7 @@ check-comments:
 	${GOLINT_CMD} -set_exit_status ${GO_FOLDERS} .
 
 lint: | check-comments
-	golangci-lint run -v -E ${LINT_SETTINGS},gomnd
+	golangci-lint run --timeout 2m0s -v -E ${LINT_SETTINGS},gomnd
 
 add-license:
 	${ADDLICENCE_SCRIPT} .
diff --git a/services/network_service.go b/services/network_service.go
index 647ed45..0d1932b 100644
--- a/services/network_service.go
+++ b/services/network_service.go
@@ -87,8 +87,9 @@ func (s *NetworkAPIService) NetworkOptions(
 ) (*types.NetworkOptionsResponse, *types.Error) {
 	return &types.NetworkOptionsResponse{
 		Version: &types.Version{
-			RosettaVersion: "1.4.2",
-			NodeVersion:    "0.0.1",
+			RosettaVersion:    RosettaVersion,
+			NodeVersion:       NodeVersion,
+			MiddlewareVersion: &MiddlewareVersion,
 		},
 		Allow: &types.Allow{
 			OperationStatuses: bitcoin.OperationStatuses,
diff --git a/services/network_service_test.go b/services/network_service_test.go
index 86b36f7..8d8dbb2 100644
--- a/services/network_service_test.go
+++ b/services/network_service_test.go
@@ -27,10 +27,12 @@ import (
 )
 
 var (
+	middlewareVersion     = "0.0.2"
 	defaultNetworkOptions = &types.NetworkOptionsResponse{
 		Version: &types.Version{
-			RosettaVersion: "1.4.2",
-			NodeVersion:    "0.0.1",
+			RosettaVersion:    "1.4.4",
+			NodeVersion:       "0.20.1",
+			MiddlewareVersion: &middlewareVersion,
 		},
 		Allow: &types.Allow{
 			OperationStatuses: bitcoin.OperationStatuses,
diff --git a/services/types.go b/services/types.go
index dad143d..158c0b3 100644
--- a/services/types.go
+++ b/services/types.go
@@ -22,6 +22,25 @@ import (
 	"github.com/coinbase/rosetta-sdk-go/types"
 )
 
+const (
+	// RosettaVersion is the version of the
+	// Rosetta Specification we are using.
+	RosettaVersion = "1.4.4"
+
+	// NodeVersion is the version of
+	// bitcoin core we are using.
+	NodeVersion = "0.20.1"
+)
+
+var (
+	// MiddlewareVersion is the version
+	// of rosetta-bitcoin. We set this as a
+	// variable instead of a constant because
+	// we typically need the pointer of this
+	// value.
+	MiddlewareVersion = "0.0.2"
+)
+
 // Client is used by the servicers to get Peer information
 // and to submit transactions.
 type Client interface {