diff --git a/go.mod b/go.mod
index a7c29d0..6396b3e 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,6 @@ module git.paulbsd.com/paulbsd/g2g
 
 go 1.17
 
-require gopkg.in/ini.v1 v1.63.2
+require gopkg.in/ini.v1 v1.66.6
 
 require github.com/stretchr/testify v1.7.0 // indirect
diff --git a/go.sum b/go.sum
index 34a6958..eeca99c 100644
--- a/go.sum
+++ b/go.sum
@@ -8,5 +8,7 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/ini.v1 v1.63.2 h1:tGK/CyBg7SMzb60vP1M03vNZ3VDu3wGQJwn7Sxi9r3c=
 gopkg.in/ini.v1 v1.63.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.66.6 h1:LATuAqN/shcYAOkv3wl2L4rkaKqkcgTBQjOyYDvcPKI=
+gopkg.in/ini.v1 v1.66.6/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/vendor/gopkg.in/ini.v1/.editorconfig b/vendor/gopkg.in/ini.v1/.editorconfig
new file mode 100644
index 0000000..4a2d918
--- /dev/null
+++ b/vendor/gopkg.in/ini.v1/.editorconfig
@@ -0,0 +1,12 @@
+# http://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*_test.go]
+trim_trailing_whitespace = false
diff --git a/vendor/gopkg.in/ini.v1/.gitignore b/vendor/gopkg.in/ini.v1/.gitignore
index 1241112..588388b 100644
--- a/vendor/gopkg.in/ini.v1/.gitignore
+++ b/vendor/gopkg.in/ini.v1/.gitignore
@@ -4,3 +4,4 @@ ini.sublime-workspace
 testdata/conf_reflect.ini
 .idea
 /.vscode
+.DS_Store
diff --git a/vendor/gopkg.in/ini.v1/.golangci.yml b/vendor/gopkg.in/ini.v1/.golangci.yml
index b7256ba..631e369 100644
--- a/vendor/gopkg.in/ini.v1/.golangci.yml
+++ b/vendor/gopkg.in/ini.v1/.golangci.yml
@@ -1,4 +1,9 @@
 linters-settings:
+  staticcheck:
+    checks: [
+      "all",
+      "-SA1019" # There are valid use cases of strings.Title
+    ]
   nakedret:
     max-func-lines: 0 # Disallow any unnamed return statement
 
@@ -19,3 +24,4 @@ linters:
     - rowserrcheck
     - unconvert
     - goimports
+    - unparam
diff --git a/vendor/gopkg.in/ini.v1/README.md b/vendor/gopkg.in/ini.v1/README.md
index 5d65658..30606d9 100644
--- a/vendor/gopkg.in/ini.v1/README.md
+++ b/vendor/gopkg.in/ini.v1/README.md
@@ -1,6 +1,6 @@
 # INI
 
-[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/go-ini/ini/Go?logo=github&style=for-the-badge)](https://github.com/go-ini/ini/actions?query=workflow%3AGo)
+[![GitHub Workflow Status](https://img.shields.io/github/checks-status/go-ini/ini/main?logo=github&style=for-the-badge)](https://github.com/go-ini/ini/actions?query=branch%3Amain)
 [![codecov](https://img.shields.io/codecov/c/github/go-ini/ini/master?logo=codecov&style=for-the-badge)](https://codecov.io/gh/go-ini/ini)
 [![GoDoc](https://img.shields.io/badge/GoDoc-Reference-blue?style=for-the-badge&logo=go)](https://pkg.go.dev/github.com/go-ini/ini?tab=doc)
 [![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-ini/ini)
@@ -24,7 +24,7 @@ Package ini provides INI file read and write functionality in Go.
 
 ## Installation
 
-The minimum requirement of Go is **1.6**.
+The minimum requirement of Go is **1.13**.
 
 ```sh
 $ go get gopkg.in/ini.v1
diff --git a/vendor/gopkg.in/ini.v1/codecov.yml b/vendor/gopkg.in/ini.v1/codecov.yml
index 31f646e..e02ec84 100644
--- a/vendor/gopkg.in/ini.v1/codecov.yml
+++ b/vendor/gopkg.in/ini.v1/codecov.yml
@@ -4,6 +4,13 @@ coverage:
     project:
       default:
         threshold: 1%
+        informational: true
+    patch:
+      defualt:
+        only_pulls: true
+        informational: true
 
 comment:
   layout: 'diff'
+
+github_checks: false
diff --git a/vendor/gopkg.in/ini.v1/error.go b/vendor/gopkg.in/ini.v1/error.go
index d88347c..f66bc94 100644
--- a/vendor/gopkg.in/ini.v1/error.go
+++ b/vendor/gopkg.in/ini.v1/error.go
@@ -32,3 +32,18 @@ func IsErrDelimiterNotFound(err error) bool {
 func (err ErrDelimiterNotFound) Error() string {
 	return fmt.Sprintf("key-value delimiter not found: %s", err.Line)
 }
+
+// ErrEmptyKeyName indicates the error type of no key name is found which there should be one.
+type ErrEmptyKeyName struct {
+	Line string
+}
+
+// IsErrEmptyKeyName returns true if the given error is an instance of ErrEmptyKeyName.
+func IsErrEmptyKeyName(err error) bool {
+	_, ok := err.(ErrEmptyKeyName)
+	return ok
+}
+
+func (err ErrEmptyKeyName) Error() string {
+	return fmt.Sprintf("empty key name: %s", err.Line)
+}
diff --git a/vendor/gopkg.in/ini.v1/file.go b/vendor/gopkg.in/ini.v1/file.go
index b96d172..f8b2240 100644
--- a/vendor/gopkg.in/ini.v1/file.go
+++ b/vendor/gopkg.in/ini.v1/file.go
@@ -142,6 +142,12 @@ func (f *File) GetSection(name string) (*Section, error) {
 	return secs[0], err
 }
 
+// HasSection returns true if the file contains a section with given name.
+func (f *File) HasSection(name string) bool {
+	section, _ := f.GetSection(name)
+	return section != nil
+}
+
 // SectionsByName returns all sections with given name.
 func (f *File) SectionsByName(name string) ([]*Section, error) {
 	if len(name) == 0 {
@@ -168,8 +174,9 @@ func (f *File) SectionsByName(name string) ([]*Section, error) {
 func (f *File) Section(name string) *Section {
 	sec, err := f.GetSection(name)
 	if err != nil {
-		// Note: It's OK here because the only possible error is empty section name,
-		// but if it's empty, this piece of code won't be executed.
+		if name == "" {
+			name = DefaultSection
+		}
 		sec, _ = f.NewSection(name)
 		return sec
 	}
@@ -335,6 +342,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 
 	// Use buffer to make sure target is safe until finish encoding.
 	buf := bytes.NewBuffer(nil)
+	lastSectionIdx := len(f.sectionList) - 1
 	for i, sname := range f.sectionList {
 		sec := f.SectionWithIndex(sname, f.sectionIndexes[i])
 		if len(sec.Comment) > 0 {
@@ -364,12 +372,13 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 			}
 		}
 
+		isLastSection := i == lastSectionIdx
 		if sec.isRawSection {
 			if _, err := buf.WriteString(sec.rawBody); err != nil {
 				return nil, err
 			}
 
-			if PrettySection {
+			if PrettySection && !isLastSection {
 				// Put a line between sections
 				if _, err := buf.WriteString(LineBreak); err != nil {
 					return nil, err
@@ -435,16 +444,14 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 				kname = `"""` + kname + `"""`
 			}
 
-			for _, val := range key.ValueWithShadows() {
+			writeKeyValue := func(val string) (bool, error) {
 				if _, err := buf.WriteString(kname); err != nil {
-					return nil, err
+					return false, err
 				}
 
 				if key.isBooleanType {
-					if kname != sec.keyList[len(sec.keyList)-1] {
-						buf.WriteString(LineBreak)
-					}
-					continue KeyList
+					buf.WriteString(LineBreak)
+					return true, nil
 				}
 
 				// Write out alignment spaces before "=" sign
@@ -461,10 +468,27 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 					val = `"` + val + `"`
 				}
 				if _, err := buf.WriteString(equalSign + val + LineBreak); err != nil {
+					return false, err
+				}
+				return false, nil
+			}
+
+			shadows := key.ValueWithShadows()
+			if len(shadows) == 0 {
+				if _, err := writeKeyValue(""); err != nil {
 					return nil, err
 				}
 			}
 
+			for _, val := range shadows {
+				exitLoop, err := writeKeyValue(val)
+				if err != nil {
+					return nil, err
+				} else if exitLoop {
+					continue KeyList
+				}
+			}
+
 			for _, val := range key.nestedValues {
 				if _, err := buf.WriteString(indent + "  " + val + LineBreak); err != nil {
 					return nil, err
@@ -472,7 +496,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 			}
 		}
 
-		if PrettySection {
+		if PrettySection && !isLastSection {
 			// Put a line between sections
 			if _, err := buf.WriteString(LineBreak); err != nil {
 				return nil, err
diff --git a/vendor/gopkg.in/ini.v1/key.go b/vendor/gopkg.in/ini.v1/key.go
index 0302c29..a19d9f3 100644
--- a/vendor/gopkg.in/ini.v1/key.go
+++ b/vendor/gopkg.in/ini.v1/key.go
@@ -110,15 +110,24 @@ func (k *Key) Value() string {
 	return k.value
 }
 
-// ValueWithShadows returns raw values of key and its shadows if any.
+// ValueWithShadows returns raw values of key and its shadows if any. Shadow
+// keys with empty values are ignored from the returned list.
 func (k *Key) ValueWithShadows() []string {
 	if len(k.shadows) == 0 {
+		if k.value == "" {
+			return []string{}
+		}
 		return []string{k.value}
 	}
-	vals := make([]string, len(k.shadows)+1)
-	vals[0] = k.value
-	for i := range k.shadows {
-		vals[i+1] = k.shadows[i].value
+
+	vals := make([]string, 0, len(k.shadows)+1)
+	if k.value != "" {
+		vals = append(vals, k.value)
+	}
+	for _, s := range k.shadows {
+		if s.value != "" {
+			vals = append(vals, s.value)
+		}
 	}
 	return vals
 }
diff --git a/vendor/gopkg.in/ini.v1/parser.go b/vendor/gopkg.in/ini.v1/parser.go
index b8b5aa8..44fc526 100644
--- a/vendor/gopkg.in/ini.v1/parser.go
+++ b/vendor/gopkg.in/ini.v1/parser.go
@@ -164,6 +164,10 @@ func readKeyName(delimiters string, in []byte) (string, int, error) {
 	if endIdx < 0 {
 		return "", -1, ErrDelimiterNotFound{line}
 	}
+	if endIdx == 0 {
+		return "", -1, ErrEmptyKeyName{line}
+	}
+
 	return strings.TrimSpace(line[0:endIdx]), endIdx + 1, nil
 }
 
@@ -302,15 +306,9 @@ func (p *parser) readPythonMultilines(line string, bufferSize int) (string, erro
 	parserBufferPeekResult, _ := p.buf.Peek(bufferSize)
 	peekBuffer := bytes.NewBuffer(parserBufferPeekResult)
 
-	indentSize := 0
 	for {
 		peekData, peekErr := peekBuffer.ReadBytes('\n')
-		if peekErr != nil {
-			if peekErr == io.EOF {
-				p.debug("readPythonMultilines: io.EOF, peekData: %q, line: %q", string(peekData), line)
-				return line, nil
-			}
-
+		if peekErr != nil && peekErr != io.EOF {
 			p.debug("readPythonMultilines: failed to peek with error: %v", peekErr)
 			return "", peekErr
 		}
@@ -329,19 +327,6 @@ func (p *parser) readPythonMultilines(line string, bufferSize int) (string, erro
 			return line, nil
 		}
 
-		// Determine indent size and line prefix.
-		currentIndentSize := len(peekMatches[1])
-		if indentSize < 1 {
-			indentSize = currentIndentSize
-			p.debug("readPythonMultilines: indent size is %d", indentSize)
-		}
-
-		// Make sure each line is indented at least as far as first line.
-		if currentIndentSize < indentSize {
-			p.debug("readPythonMultilines: end of value, current indent: %d, expected indent: %d, line: %q", currentIndentSize, indentSize, line)
-			return line, nil
-		}
-
 		// Advance the parser reader (buffer) in-sync with the peek buffer.
 		_, err := p.buf.Discard(len(peekData))
 		if err != nil {
@@ -349,8 +334,7 @@ func (p *parser) readPythonMultilines(line string, bufferSize int) (string, erro
 			return "", err
 		}
 
-		// Handle indented empty line.
-		line += "\n" + peekMatches[1][indentSize:] + peekMatches[2]
+		line += "\n" + peekMatches[0]
 	}
 }
 
@@ -461,6 +445,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 			// Reset auto-counter and comments
 			p.comment.Reset()
 			p.count = 1
+			// Nested values can't span sections
+			isLastValueEmpty = false
 
 			inUnparseableSection = false
 			for i := range f.options.UnparseableSections {
@@ -481,8 +467,9 @@ func (f *File) parse(reader io.Reader) (err error) {
 
 		kname, offset, err := readKeyName(f.options.KeyValueDelimiters, line)
 		if err != nil {
+			switch {
 			// Treat as boolean key when desired, and whole line is key name.
-			if IsErrDelimiterNotFound(err) {
+			case IsErrDelimiterNotFound(err):
 				switch {
 				case f.options.AllowBooleanKeys:
 					kname, err := p.readValue(line, parserBufferSize)
@@ -500,6 +487,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 				case f.options.SkipUnrecognizableLines:
 					continue
 				}
+			case IsErrEmptyKeyName(err) && f.options.SkipUnrecognizableLines:
+				continue
 			}
 			return err
 		}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 01e14a3..988e1d7 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,5 +1,5 @@
 # github.com/stretchr/testify v1.7.0
 ## explicit; go 1.13
-# gopkg.in/ini.v1 v1.63.2
+# gopkg.in/ini.v1 v1.66.6
 ## explicit
 gopkg.in/ini.v1