diff --git a/vendor/go.uber.org/zap/.travis.yml b/vendor/go.uber.org/zap/.travis.yml
index a3321fa..ada5ebd 100644
--- a/vendor/go.uber.org/zap/.travis.yml
+++ b/vendor/go.uber.org/zap/.travis.yml
@@ -1,8 +1,8 @@
 language: go
 sudo: false
 go:
-  - 1.9.x
-  - 1.10.x
+  - 1.11.x
+  - 1.12.x
 go_import_path: go.uber.org/zap
 env:
   global:
diff --git a/vendor/go.uber.org/zap/CHANGELOG.md b/vendor/go.uber.org/zap/CHANGELOG.md
index 17d5b49..28d1067 100644
--- a/vendor/go.uber.org/zap/CHANGELOG.md
+++ b/vendor/go.uber.org/zap/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## 1.10.0 (29 Apr 2019)
+
+Bugfixes:
+* [#657][]: Fix `MapObjectEncoder.AppendByteString` not adding value as a
+  string.
+* [#706][]: Fix incorrect call depth to determine caller in Go 1.12.
+
+Enhancements:
+* [#610][]: Add `zaptest.WrapOptions` to wrap `zap.Option` for creating test
+  loggers.
+* [#675][]: Don't panic when encoding a String field.
+* [#704][]: Disable HTML escaping for JSON objects encoded using the
+  reflect-based encoder.
+
+Thanks to @iaroslav-ciupin, @lelenanam, @joa, @NWilson for their contributions
+to this release.
+
 ## v1.9.1 (06 Aug 2018)
 
 Bugfixes:
@@ -303,3 +320,8 @@
 [#572]: https://github.com/uber-go/zap/pull/572
 [#606]: https://github.com/uber-go/zap/pull/606
 [#614]: https://github.com/uber-go/zap/pull/614
+[#657]: https://github.com/uber-go/zap/pull/657
+[#706]: https://github.com/uber-go/zap/pull/706
+[#610]: https://github.com/uber-go/zap/pull/610
+[#675]: https://github.com/uber-go/zap/pull/675
+[#704]: https://github.com/uber-go/zap/pull/704
diff --git a/vendor/go.uber.org/zap/Makefile b/vendor/go.uber.org/zap/Makefile
index ef7893b..073e9aa 100644
--- a/vendor/go.uber.org/zap/Makefile
+++ b/vendor/go.uber.org/zap/Makefile
@@ -9,7 +9,7 @@
 # stable release.
 GO_VERSION := $(shell go version | cut -d " " -f 3)
 GO_MINOR_VERSION := $(word 2,$(subst ., ,$(GO_VERSION)))
-LINTABLE_MINOR_VERSIONS := 10
+LINTABLE_MINOR_VERSIONS := 12
 ifneq ($(filter $(LINTABLE_MINOR_VERSIONS),$(GO_MINOR_VERSION)),)
 SHOULD_LINT := true
 endif
@@ -45,7 +45,7 @@
 	@echo "Installing test dependencies for vet..."
 	@go test -i $(PKGS)
 	@echo "Checking vet..."
-	@$(foreach dir,$(PKG_FILES),go tool vet $(VET_RULES) $(dir) 2>&1 | tee -a lint.log;)
+	@go vet $(VET_RULES) $(PKGS) 2>&1 | tee -a lint.log
 	@echo "Checking lint..."
 	@$(foreach dir,$(PKGS),golint $(dir) 2>&1 | tee -a lint.log;)
 	@echo "Checking for unresolved FIXMEs..."
diff --git a/vendor/go.uber.org/zap/global.go b/vendor/go.uber.org/zap/global.go
index d02232e..c1ac050 100644
--- a/vendor/go.uber.org/zap/global.go
+++ b/vendor/go.uber.org/zap/global.go
@@ -31,7 +31,6 @@
 )
 
 const (
-	_stdLogDefaultDepth      = 2
 	_loggerWriterDepth       = 2
 	_programmerErrorTemplate = "You've found a bug in zap! Please file a bug at " +
 		"https://github.com/uber-go/zap/issues/new and reference this error: %v"
diff --git a/vendor/go.uber.org/zap/global_go112.go b/vendor/go.uber.org/zap/global_go112.go
new file mode 100644
index 0000000..6b5dbda
--- /dev/null
+++ b/vendor/go.uber.org/zap/global_go112.go
@@ -0,0 +1,26 @@
+// Copyright (c) 2019 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// See #682 for more information.
+// +build go1.12
+
+package zap
+
+const _stdLogDefaultDepth = 1
diff --git a/vendor/go.uber.org/zap/global_prego112.go b/vendor/go.uber.org/zap/global_prego112.go
new file mode 100644
index 0000000..d3ab9af
--- /dev/null
+++ b/vendor/go.uber.org/zap/global_prego112.go
@@ -0,0 +1,26 @@
+// Copyright (c) 2019 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// See #682 for more information.
+// +build !go1.12
+
+package zap
+
+const _stdLogDefaultDepth = 2
diff --git a/vendor/go.uber.org/zap/zapcore/field.go b/vendor/go.uber.org/zap/zapcore/field.go
index 6a5e33e..ae772e4 100644
--- a/vendor/go.uber.org/zap/zapcore/field.go
+++ b/vendor/go.uber.org/zap/zapcore/field.go
@@ -160,7 +160,7 @@
 	case NamespaceType:
 		enc.OpenNamespace(f.Key)
 	case StringerType:
-		enc.AddString(f.Key, f.Interface.(fmt.Stringer).String())
+		err = encodeStringer(f.Key, f.Interface, enc)
 	case ErrorType:
 		encodeError(f.Key, f.Interface.(error), enc)
 	case SkipType:
@@ -199,3 +199,14 @@
 		fields[i].AddTo(enc)
 	}
 }
+
+func encodeStringer(key string, stringer interface{}, enc ObjectEncoder) (err error) {
+	defer func() {
+		if v := recover(); v != nil {
+			err = fmt.Errorf("PANIC=%v", v)
+		}
+	}()
+
+	enc.AddString(key, stringer.(fmt.Stringer).String())
+	return
+}
diff --git a/vendor/go.uber.org/zap/zapcore/json_encoder.go b/vendor/go.uber.org/zap/zapcore/json_encoder.go
index 2dc67d8..9aec4ea 100644
--- a/vendor/go.uber.org/zap/zapcore/json_encoder.go
+++ b/vendor/go.uber.org/zap/zapcore/json_encoder.go
@@ -137,6 +137,9 @@
 	if enc.reflectBuf == nil {
 		enc.reflectBuf = bufferpool.Get()
 		enc.reflectEnc = json.NewEncoder(enc.reflectBuf)
+
+		// For consistency with our custom JSON encoder.
+		enc.reflectEnc.SetEscapeHTML(false)
 	} else {
 		enc.reflectBuf.Reset()
 	}
diff --git a/vendor/go.uber.org/zap/zapcore/memory_encoder.go b/vendor/go.uber.org/zap/zapcore/memory_encoder.go
index 6ef85b0..dfead08 100644
--- a/vendor/go.uber.org/zap/zapcore/memory_encoder.go
+++ b/vendor/go.uber.org/zap/zapcore/memory_encoder.go
@@ -158,7 +158,7 @@
 }
 
 func (s *sliceArrayEncoder) AppendBool(v bool)              { s.elems = append(s.elems, v) }
-func (s *sliceArrayEncoder) AppendByteString(v []byte)      { s.elems = append(s.elems, v) }
+func (s *sliceArrayEncoder) AppendByteString(v []byte)      { s.elems = append(s.elems, string(v)) }
 func (s *sliceArrayEncoder) AppendComplex128(v complex128)  { s.elems = append(s.elems, v) }
 func (s *sliceArrayEncoder) AppendComplex64(v complex64)    { s.elems = append(s.elems, v) }
 func (s *sliceArrayEncoder) AppendDuration(v time.Duration) { s.elems = append(s.elems, v) }