diff --git a/Gopkg.lock b/Gopkg.lock
index a58f683cf..ed7b671f2 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -73,7 +73,7 @@
 [[projects]]
   name = "github.com/golang/glog"
   packages = ["."]
-  revision = "44145f04b68cf362d9c4df2182967c2275eaefed"
+  revision = "23def4e6c14b4da8ac2ed8007337bc5eb5007998"
 
 [[projects]]
   branch = "master"
@@ -311,6 +311,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "37383226ed6a091aead0a58ba81576d6613623e02524ddc821ec837fc1261f3e"
+  inputs-digest = "e9f1fef2b31734b97bfaffb813a6a46b1c55c199a944abac901ab9ddb4998af3"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index e89fb02c7..bb3375955 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -33,6 +33,7 @@ required = [
 
 [[constraint]]
   name = "github.com/golang/glog"
+  revision = "23def4e6c14b4da8ac2ed8007337bc5eb5007998"
 
 [[constraint]]
   name = "github.com/spf13/pflag"
diff --git a/vendor/github.com/golang/glog/README b/vendor/github.com/golang/glog/README
index 5f9c11485..387b4eb68 100644
--- a/vendor/github.com/golang/glog/README
+++ b/vendor/github.com/golang/glog/README
@@ -5,7 +5,7 @@ Leveled execution logs for Go.
 
 This is an efficient pure Go implementation of leveled logs in the
 manner of the open source C++ package
-	http://code.google.com/p/google-glog
+	https://github.com/google/glog
 
 By binding methods to booleans it is possible to use the log package
 without paying the expense of evaluating the arguments to the log.
diff --git a/vendor/github.com/golang/glog/glog.go b/vendor/github.com/golang/glog/glog.go
index 3e63fffd5..54bd7afdc 100644
--- a/vendor/github.com/golang/glog/glog.go
+++ b/vendor/github.com/golang/glog/glog.go
@@ -676,7 +676,10 @@ func (l *loggingT) output(s severity, buf *buffer, file string, line int, alsoTo
 		}
 	}
 	data := buf.Bytes()
-	if l.toStderr {
+	if !flag.Parsed() {
+		os.Stderr.Write([]byte("ERROR: logging before flag.Parse: "))
+		os.Stderr.Write(data)
+	} else if l.toStderr {
 		os.Stderr.Write(data)
 	} else {
 		if alsoToStderr || l.alsoToStderr || s >= l.stderrThreshold.get() {