diff --git a/client/grpc/grpc_test.go b/client/grpc/grpc_test.go
index da192c2..f50e6b5 100644
--- a/client/grpc/grpc_test.go
+++ b/client/grpc/grpc_test.go
@@ -84,7 +84,7 @@ func TestNewGRPCOptionsFromConfig(t *testing.T) {
 	assert.NotNil(t, opts)
 	assert.NoError(t, err)
 	conn, err = grpc.DialContext(ctx, tlsConnConfig.Host, opts.Dial...)
-	assert.NoError(t, err)
+	assert.NoError(t, err, tlsConnConfig.Host)
 	assert.NotNil(t, conn)
 	cli = testpb.NewTestServiceClient(conn)
 	out, err = cli.EmptyCall(context.Background(), &testpb.Empty{})
diff --git a/client/grpc/testdata/tls/ca/ca-key.pem b/client/grpc/testdata/tls/ca/ca-key.pem
index 3820d95..e3bc056 100644
--- a/client/grpc/testdata/tls/ca/ca-key.pem
+++ b/client/grpc/testdata/tls/ca/ca-key.pem
@@ -1,51 +1,51 @@
 -----BEGIN RSA PRIVATE KEY-----
-MIIJJwIBAAKCAgEArQvhbgSmU8cALHcHx/u5I20VqGrUw9lby2ygwgfwlCt1+mGg
-T9hLQhKnXJ57foZyXG55+qSJtNoAy+wuzHtPjlQ9HzO9xzbaeWSNHEbGw2HdLoIv
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 -----END RSA PRIVATE KEY-----
diff --git a/client/grpc/testdata/tls/ca/ca.csr b/client/grpc/testdata/tls/ca/ca.csr
index a386e7d..6f37af0 100644
--- a/client/grpc/testdata/tls/ca/ca.csr
+++ b/client/grpc/testdata/tls/ca/ca.csr
@@ -1,27 +1,28 @@
 -----BEGIN CERTIFICATE REQUEST-----
-MIIEozCCAosCAQAwMTEKMAgGA1UEBhMBQzEKMAgGA1UEBxMBTDEXMBUGA1UEChMO
-SExGLVNESy1HTyBUTFMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCt
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+gKFyF5Ub5GA=
 -----END CERTIFICATE REQUEST-----
diff --git a/client/grpc/testdata/tls/ca/ca.pem b/client/grpc/testdata/tls/ca/ca.pem
index 0ee13d1..9fb577c 100644
--- a/client/grpc/testdata/tls/ca/ca.pem
+++ b/client/grpc/testdata/tls/ca/ca.pem
@@ -1,31 +1,31 @@
 -----BEGIN CERTIFICATE-----
-MIIFQzCCAyugAwIBAgIUW/QL+G/bdkeWWyYADw1HUlfTjRYwDQYJKoZIhvcNAQEN
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+TzadI6R4bw==
 -----END CERTIFICATE-----
diff --git a/client/grpc/testdata/tls/ca/cfssl.json b/client/grpc/testdata/tls/ca/cfssl.json
new file mode 100644
index 0000000..53f9b61
--- /dev/null
+++ b/client/grpc/testdata/tls/ca/cfssl.json
@@ -0,0 +1,27 @@
+{
+  "signing": {
+    "default": {
+      "expiry": "8760h"
+    },
+    "profiles": {
+      "server": {
+        "usages": [
+          "signing",
+          "digital signing",
+          "key encipherment",
+          "server auth"
+        ],
+        "expiry": "87600h"
+      },
+      "client": {
+        "usages": [
+          "signing",
+          "digital signature",
+          "key encipherment",
+          "client auth"
+        ],
+        "expiry": "87600h"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/client/grpc/testdata/tls/ca/csr.json b/client/grpc/testdata/tls/ca/csr.json
index fed218f..454b0bd 100644
--- a/client/grpc/testdata/tls/ca/csr.json
+++ b/client/grpc/testdata/tls/ca/csr.json
@@ -1,4 +1,8 @@
 {
+  "CA": {
+    "expiry": "87600h",
+    "pathlen": 0
+  },
   "hosts": [
     "localhost",
     "127.0.0.1"
diff --git a/client/grpc/testdata/tls/client/cert-key.pem b/client/grpc/testdata/tls/client/cert-key.pem
index 25b1f2f..5b076fd 100644
--- a/client/grpc/testdata/tls/client/cert-key.pem
+++ b/client/grpc/testdata/tls/client/cert-key.pem
@@ -1,51 +1,51 @@
 -----BEGIN RSA PRIVATE KEY-----
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 -----END RSA PRIVATE KEY-----
diff --git a/client/grpc/testdata/tls/client/cert.csr b/client/grpc/testdata/tls/client/cert.csr
index b6213ca..93ca1c3 100644
--- a/client/grpc/testdata/tls/client/cert.csr
+++ b/client/grpc/testdata/tls/client/cert.csr
@@ -1,28 +1,27 @@
 -----BEGIN CERTIFICATE REQUEST-----
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 -----END CERTIFICATE REQUEST-----
diff --git a/client/grpc/testdata/tls/client/cert.pem b/client/grpc/testdata/tls/client/cert.pem
index b58497a..a1a0f52 100644
--- a/client/grpc/testdata/tls/client/cert.pem
+++ b/client/grpc/testdata/tls/client/cert.pem
@@ -1,33 +1,32 @@
 -----BEGIN CERTIFICATE-----
-MIIFpDCCA4ygAwIBAgIUIre5Dp2DWYSA/c2Qtyq45ztNO2swDQYJKoZIhvcNAQEN
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 -----END CERTIFICATE-----
diff --git a/client/grpc/testdata/tls/readme.md b/client/grpc/testdata/tls/readme.md
index ecf86af..38da9e7 100644
--- a/client/grpc/testdata/tls/readme.md
+++ b/client/grpc/testdata/tls/readme.md
@@ -9,11 +9,11 @@ cd ./ca && cfssl genkey -initca csr.json | cfssljson -bare ca
 ## Issue client certificate
 
 ```
-(cd ./client && cfssl gencert -ca ../ca/ca.pem -ca-key ../ca/ca-key.pem csr.json | cfssljson -bare)
+(cd ./client && cfssl gencert -ca ../ca/ca.pem -ca-key ../ca/ca-key.pem -config ../ca/cfssl.json -profile client csr.json | cfssljson -bare)
 ```
 
 ## Issue server certificate
 
 ```
-(cd ./server && cfssl gencert -ca ../ca/ca.pem -ca-key ../ca/ca-key.pem csr.json | cfssljson -bare)
+(cd ./server && cfssl gencert -ca ../ca/ca.pem -ca-key ../ca/ca-key.pem -config ../ca/cfssl.json -profile server csr.json | cfssljson -bare)
 ```
\ No newline at end of file
diff --git a/client/grpc/testdata/tls/server/cert-key.pem b/client/grpc/testdata/tls/server/cert-key.pem
index b915e69..f853dba 100644
--- a/client/grpc/testdata/tls/server/cert-key.pem
+++ b/client/grpc/testdata/tls/server/cert-key.pem
@@ -1,51 +1,51 @@
 -----BEGIN RSA PRIVATE KEY-----
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 -----END RSA PRIVATE KEY-----
diff --git a/client/grpc/testdata/tls/server/cert.csr b/client/grpc/testdata/tls/server/cert.csr
index d297900..e153638 100644
--- a/client/grpc/testdata/tls/server/cert.csr
+++ b/client/grpc/testdata/tls/server/cert.csr
@@ -1,28 +1,28 @@
 -----BEGIN CERTIFICATE REQUEST-----
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 -----END CERTIFICATE REQUEST-----
diff --git a/client/grpc/testdata/tls/server/cert.pem b/client/grpc/testdata/tls/server/cert.pem
index 54d1ed6..79a96e4 100644
--- a/client/grpc/testdata/tls/server/cert.pem
+++ b/client/grpc/testdata/tls/server/cert.pem
@@ -1,33 +1,33 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----