diff --git a/go.mod b/go.mod
index cd62f25f..2253a2e9 100644
--- a/go.mod
+++ b/go.mod
@@ -19,5 +19,5 @@ require (
 	github.com/toorop/go-dkim v0.0.0-20200526084421-76378ae5207e
 	golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073
 	golang.org/x/text v0.3.2
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.3.0
 )
diff --git a/go.sum b/go.sum
index 77f7772d..fabbf7d7 100644
--- a/go.sum
+++ b/go.sum
@@ -110,3 +110,5 @@ gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/vendor/gopkg.in/yaml.v2/apic.go b/vendor/gopkg.in/yaml.v2/apic.go
index 1f7e87e6..d2c2308f 100644
--- a/vendor/gopkg.in/yaml.v2/apic.go
+++ b/vendor/gopkg.in/yaml.v2/apic.go
@@ -86,6 +86,7 @@ func yaml_emitter_initialize(emitter *yaml_emitter_t) {
 		raw_buffer: make([]byte, 0, output_raw_buffer_size),
 		states:     make([]yaml_emitter_state_t, 0, initial_stack_size),
 		events:     make([]yaml_event_t, 0, initial_queue_size),
+		best_width: -1,
 	}
 }
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index c8efeefb..ee1438ac 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -79,6 +79,6 @@ golang.org/x/text/transform
 golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
 golang.org/x/text/width
-# gopkg.in/yaml.v2 v2.2.8
+# gopkg.in/yaml.v2 v2.3.0
 ## explicit
 gopkg.in/yaml.v2