diff --git a/clients/go/go.mod b/clients/go/go.mod
index 026b47f77..333f2c7a1 100644
--- a/clients/go/go.mod
+++ b/clients/go/go.mod
@@ -34,9 +34,9 @@ require (
 	cloud.google.com/go/compute v1.6.1
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go v1.0.0
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v1.0.0
-	github.com/abcxyz/jvs v0.0.0-20220713181819-5cc3eb83dc6b
-	github.com/abcxyz/jvs/client-lib/go v0.0.0-20220713181819-5cc3eb83dc6b
-	github.com/abcxyz/pkg v0.0.0-20220627210229-493bf5fec862
+	github.com/abcxyz/jvs v0.0.2-0.20220915004312-db26d444b9ae
+	github.com/abcxyz/jvs/client-lib/go v0.0.0-20220915004312-db26d444b9ae
+	github.com/abcxyz/pkg v0.0.0-20220719233420-62c7b76c10e9
 	github.com/golang-jwt/jwt v3.2.2+incompatible
 	github.com/google/uuid v1.3.0
 	github.com/lestrrat-go/jwx/v2 v2.0.3
diff --git a/clients/go/go.sum b/clients/go/go.sum
index f407c4e6c..bf761ef89 100644
--- a/clients/go/go.sum
+++ b/clients/go/go.sum
@@ -72,12 +72,12 @@ github.com/GoogleCloudPlatform/opentelemetry-operations-go v1.0.0/go.mod h1:geb4
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v1.0.0 h1:38fNtfhHY6bs22b/D6+hDzO6JR0rDzpGPD36dY2uPL4=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v1.0.0/go.mod h1:jE23wM1jvwSKgdGcoOkj5j9n1VWtncW36pL2bK1JU+0=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/abcxyz/jvs v0.0.0-20220713181819-5cc3eb83dc6b h1:uhx0EiUkwUoy/1Hem9pwZpSI0cZuJ9BVlqjTvOYDAPg=
-github.com/abcxyz/jvs v0.0.0-20220713181819-5cc3eb83dc6b/go.mod h1:6XWVLVHrfIBFXN76Fh072E8nd0RSmSyYr9MKArSRAr8=
-github.com/abcxyz/jvs/client-lib/go v0.0.0-20220713181819-5cc3eb83dc6b h1:CSIaB0wokXj9Jg/WWi5yGjD7dZh+U+0lmhcwE9HDpT0=
-github.com/abcxyz/jvs/client-lib/go v0.0.0-20220713181819-5cc3eb83dc6b/go.mod h1:NfOLJjKgctTBVl2JdDON861Ei6JGLSP6itlUn28Odc4=
-github.com/abcxyz/pkg v0.0.0-20220627210229-493bf5fec862 h1:DEU4U/AgVWsxWhrO9rBUytuuXL6tznVPDxx2q2DI6c0=
-github.com/abcxyz/pkg v0.0.0-20220627210229-493bf5fec862/go.mod h1:Sz/e+0vW0XIIeeIS4KDLIeh1Bb/CPAvQiZOdOTBiW4k=
+github.com/abcxyz/jvs v0.0.2-0.20220915004312-db26d444b9ae h1:M3yMSghNGXElhcEOJBxqlO8QQRs3cVmM5ncDl69C00I=
+github.com/abcxyz/jvs v0.0.2-0.20220915004312-db26d444b9ae/go.mod h1:m9PZgVFkkLDtncjzrcwXbvBhMwpOCvggWqsAwMxNtQg=
+github.com/abcxyz/jvs/client-lib/go v0.0.0-20220915004312-db26d444b9ae h1:kFhazhdgrLp52yDe4p3nLjGjeELbb/9YhjlckEAN6e4=
+github.com/abcxyz/jvs/client-lib/go v0.0.0-20220915004312-db26d444b9ae/go.mod h1:MEmok7HO/fVqapbrQIBulDK805eHE0ZXvHgRCPFRV6s=
+github.com/abcxyz/pkg v0.0.0-20220719233420-62c7b76c10e9 h1:ROwNYAzdaFBjS9dTzmTjwgW84QaKQWxUFm3zlSbP77I=
+github.com/abcxyz/pkg v0.0.0-20220719233420-62c7b76c10e9/go.mod h1:Sz/e+0vW0XIIeeIS4KDLIeh1Bb/CPAvQiZOdOTBiW4k=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
@@ -97,8 +97,6 @@ github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/clients/go/pkg/audit/interceptor_test.go b/clients/go/pkg/audit/interceptor_test.go
index 3afcf4c29..acf23a97c 100644
--- a/clients/go/pkg/audit/interceptor_test.go
+++ b/clients/go/pkg/audit/interceptor_test.go
@@ -77,7 +77,7 @@ type fakeJVS struct {
 	returnErr bool
 }
 
-func (j *fakeJVS) ValidateJWT(_ string) (*jwt.Token, error) {
+func (j *fakeJVS) ValidateJWT(_ string) (jwt.Token, error) {
 	if j.returnErr {
 		return nil, fmt.Errorf("validate jwt error")
 	}
@@ -91,7 +91,7 @@ func (j *fakeJVS) ValidateJWT(_ string) (*jwt.Token, error) {
 	if err := t.Set(jwt.JwtIDKey, "123"); err != nil {
 		return nil, err
 	}
-	return &t, nil
+	return t, nil
 }
 
 func TestUnaryInterceptor(t *testing.T) {
diff --git a/clients/go/pkg/auditopt/config.go b/clients/go/pkg/auditopt/config.go
index 6f80ab84f..f47cc48e3 100644
--- a/clients/go/pkg/auditopt/config.go
+++ b/clients/go/pkg/auditopt/config.go
@@ -263,7 +263,7 @@ func justificationFromConfig(ctx context.Context, cfg *api.Config) (audit.Option
 	// TODO(#299): allow overriding these values via JVS env var.
 	jvsconfig := &client.JVSConfig{
 		JVSEndpoint:  cfg.Justification.PublicKeysEndpoint,
-		Version:      1,
+		Version:      "1",
 		CacheTimeout: 5 * time.Minute,
 	}
 	jvsClient, err := client.NewJVSClient(ctx, jvsconfig)
diff --git a/clients/go/pkg/justification/processor.go b/clients/go/pkg/justification/processor.go
index 5a6d25cf7..22357063b 100644
--- a/clients/go/pkg/justification/processor.go
+++ b/clients/go/pkg/justification/processor.go
@@ -39,7 +39,7 @@ const (
 // Validator validates justification token generated by JVS.
 type Validator interface {
 	// ValidateJWT validates justification token generated by JVS.
-	ValidateJWT(jvsToken string) (*jwt.Token, error)
+	ValidateJWT(jvsToken string) (jwt.Token, error)
 }
 
 // Processor populates an audit log request with justification.
@@ -71,7 +71,7 @@ func (p *Processor) Process(ctx context.Context, logReq *api.AuditLogRequest) er
 		return fmt.Errorf("failed to validate justification token: %w", err)
 	}
 
-	b, err := json.Marshal(*tok)
+	b, err := json.Marshal(tok)
 	if err != nil {
 		return fmt.Errorf("failed to encode justification token: %w", err)
 	}
@@ -93,7 +93,7 @@ func (p *Processor) Process(ctx context.Context, logReq *api.AuditLogRequest) er
 
 	logReq.Payload.Metadata.Fields[LogMetadataKey] = structpb.NewStructValue(&tokStruct)
 
-	justs, ok := (*tok).Get("justs")
+	justs, ok := tok.Get("justs")
 	if !ok {
 		logger.Warn("can't find 'justs' in claims")
 	} else {
diff --git a/clients/go/pkg/justification/processor_test.go b/clients/go/pkg/justification/processor_test.go
index 0bb1d8fe4..0031c0995 100644
--- a/clients/go/pkg/justification/processor_test.go
+++ b/clients/go/pkg/justification/processor_test.go
@@ -138,7 +138,7 @@ type fakeValidator struct {
 	justifications []*jvsapi.Justification
 }
 
-func (v *fakeValidator) ValidateJWT(jvsToken string) (*jwt.Token, error) {
+func (v *fakeValidator) ValidateJWT(jvsToken string) (jwt.Token, error) {
 	if v.returnErr {
 		return nil, fmt.Errorf("failed to validate JWT")
 	}
@@ -159,5 +159,5 @@ func (v *fakeValidator) ValidateJWT(jvsToken string) (*jwt.Token, error) {
 	if err := tok.Set("justs", v.justifications); err != nil {
 		return nil, err
 	}
-	return &tok, nil
+	return tok, nil
 }
diff --git a/go.mod b/go.mod
index 2eb6fb825..01177c207 100644
--- a/go.mod
+++ b/go.mod
@@ -6,9 +6,9 @@ require (
 	cloud.google.com/go/bigquery v1.32.0
 	cloud.google.com/go/compute v1.6.1
 	cloud.google.com/go/logging v1.4.2
-	github.com/abcxyz/jvs v0.0.1
+	github.com/abcxyz/jvs v0.0.2-0.20220915004312-db26d444b9ae
 	github.com/abcxyz/lumberjack/clients/go v0.0.0-00010101000000-000000000000
-	github.com/abcxyz/pkg v0.0.0-20220627210229-493bf5fec862
+	github.com/abcxyz/pkg v0.0.0-20220719233420-62c7b76c10e9
 	github.com/golang-jwt/jwt v3.2.2+incompatible
 	github.com/google/go-cmp v0.5.8
 	github.com/google/uuid v1.3.0
diff --git a/go.sum b/go.sum
index a038fa3da..3792af8b0 100644
--- a/go.sum
+++ b/go.sum
@@ -78,10 +78,10 @@ github.com/GoogleCloudPlatform/opentelemetry-operations-go v1.0.0/go.mod h1:geb4
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v1.0.0 h1:38fNtfhHY6bs22b/D6+hDzO6JR0rDzpGPD36dY2uPL4=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v1.0.0/go.mod h1:jE23wM1jvwSKgdGcoOkj5j9n1VWtncW36pL2bK1JU+0=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/abcxyz/jvs v0.0.1 h1:hgX0lRUE/00skxnJet34DfhCVQHd8Abkv1iiVrV4c2s=
-github.com/abcxyz/jvs v0.0.1/go.mod h1:rNyEfHM1lxOKHzrDGGqzvneJ5r3Bl/9W52rog8pQbs8=
-github.com/abcxyz/pkg v0.0.0-20220627210229-493bf5fec862 h1:DEU4U/AgVWsxWhrO9rBUytuuXL6tznVPDxx2q2DI6c0=
-github.com/abcxyz/pkg v0.0.0-20220627210229-493bf5fec862/go.mod h1:Sz/e+0vW0XIIeeIS4KDLIeh1Bb/CPAvQiZOdOTBiW4k=
+github.com/abcxyz/jvs v0.0.2-0.20220915004312-db26d444b9ae h1:M3yMSghNGXElhcEOJBxqlO8QQRs3cVmM5ncDl69C00I=
+github.com/abcxyz/jvs v0.0.2-0.20220915004312-db26d444b9ae/go.mod h1:m9PZgVFkkLDtncjzrcwXbvBhMwpOCvggWqsAwMxNtQg=
+github.com/abcxyz/pkg v0.0.0-20220719233420-62c7b76c10e9 h1:ROwNYAzdaFBjS9dTzmTjwgW84QaKQWxUFm3zlSbP77I=
+github.com/abcxyz/pkg v0.0.0-20220719233420-62c7b76c10e9/go.mod h1:Sz/e+0vW0XIIeeIS4KDLIeh1Bb/CPAvQiZOdOTBiW4k=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=