diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 3a6f64a92..bbf31c9f0 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -21,8 +21,8 @@ jobs:
           go-version: ^1.20
       - name: Install golangci-lint
         run: |
-          wget https://github.com/golangci/golangci-lint/releases/download/v1.51.2/golangci-lint-1.51.2-linux-amd64.deb
-          sudo apt install -y ./golangci-lint-1.51.2-linux-amd64.deb\
+          wget https://github.com/golangci/golangci-lint/releases/download/v1.55.2/golangci-lint-1.55.2-linux-amd64.deb
+          sudo apt install -y ./golangci-lint-1.55.2-linux-amd64.deb
       - name: Run golangci-lint
         run: |
           cd v3
diff --git a/v3/formattedoutput/formattedOutput.go b/v3/formattedoutput/formattedOutput.go
index c57e38824..8d5ca229d 100644
--- a/v3/formattedoutput/formattedOutput.go
+++ b/v3/formattedoutput/formattedOutput.go
@@ -75,8 +75,8 @@ func OutputSummary(zlintResult *zlint.ResultSet, longSummary bool) {
 			"                      Details                      ",
 		}
 		lines := [][]string{}
-		lsl := ""
-		rescount := ""
+		var lsl string
+		var rescount string
 
 		hlengths := printTableHeadings(headings)
 		// Construct the table lines, but don't repeat
diff --git a/v3/integration/lints/lint/lint.go b/v3/integration/lints/lint/lint.go
index d9b39acf0..752a3ad1b 100644
--- a/v3/integration/lints/lint/lint.go
+++ b/v3/integration/lints/lint/lint.go
@@ -137,7 +137,7 @@ type File struct {
 //
 // The word "remember" begins at position 81 within this text, therefor LineOf(81) should return line 3.
 func (f *File) LineOf(pos token.Pos) int {
-	start := 0
+	var start int
 	end := 0
 	for lineno, line := range f.Lines {
 		start = end
diff --git a/v3/integration/lints/lints/not_committing_genTestCerts.go b/v3/integration/lints/lints/not_committing_genTestCerts.go
index 2be507bb1..f3294254c 100644
--- a/v3/integration/lints/lints/not_committing_genTestCerts.go
+++ b/v3/integration/lints/lints/not_committing_genTestCerts.go
@@ -16,6 +16,7 @@ package lints
 
 import (
 	"crypto/sha256"
+	"encoding/hex"
 	"fmt"
 	"go/ast"
 	"os"
@@ -42,7 +43,7 @@ func (i *NotCommittingGenTestCerts) Lint(tree *ast.File, file *lint.File) *lint.
 	if err != nil {
 		return lint.NewResult(fmt.Sprintf("failed to hash the contents of %s", file.Name))
 	}
-	got := fmt.Sprintf("%x", hasher.Sum([]byte{}))
+	got := hex.EncodeToString(hasher.Sum([]byte{}))
 	if got == want {
 		return nil
 	}
diff --git a/v3/lint/configuration_test.go b/v3/lint/configuration_test.go
index cf7fb8ba3..892ec8d94 100644
--- a/v3/lint/configuration_test.go
+++ b/v3/lint/configuration_test.go
@@ -1079,7 +1079,7 @@ func TestStripGlobalsFromStructWithPrivates(t *testing.T) {
 		A string
 		B Global
 		C int
-		//nolint:unused
+		//nolint:unused,structcheck
 		d int
 	}
 	test := Test{}
diff --git a/v3/lints/rfc/lint_serial_number_longer_than_20_octets.go b/v3/lints/rfc/lint_serial_number_longer_than_20_octets.go
index 50fa4f07c..20114ae1f 100644
--- a/v3/lints/rfc/lint_serial_number_longer_than_20_octets.go
+++ b/v3/lints/rfc/lint_serial_number_longer_than_20_octets.go
@@ -70,12 +70,12 @@ func (l *serialNumberTooLong) Execute(c *x509.Certificate) *lint.LintResult {
 	// DER encoded lengths are without having to guess.
 	encoding, err := asn1.Marshal(c.SerialNumber)
 	if err != nil {
-		return &lint.LintResult{Status: lint.Fatal, Details: fmt.Sprint(err)}
+		return &lint.LintResult{Status: lint.Fatal, Details: err.Error()}
 	}
 	serial := new(asn1.RawValue)
 	_, err = asn1.Unmarshal(encoding, serial)
 	if err != nil {
-		return &lint.LintResult{Status: lint.Fatal, Details: fmt.Sprint(err)}
+		return &lint.LintResult{Status: lint.Fatal, Details: err.Error()}
 	}
 	length := len(serial.Bytes)
 	if length > 20 {
diff --git a/v3/test/configuration_test_framework_test.go b/v3/test/configuration_test_framework_test.go
index 904f13ead..cd7042914 100644
--- a/v3/test/configuration_test_framework_test.go
+++ b/v3/test/configuration_test_framework_test.go
@@ -183,7 +183,7 @@ type LintEmbedsAConfiguration struct {
 }
 
 type embeddedConfiguration struct {
-	IsWebPKI bool `toml:"is_web_pki" comment:"Indicates that the certificate is intended for the Web PKI."`
+	IsWebPKI bool `comment:"Indicates that the certificate is intended for the Web PKI." toml:"is_web_pki"`
 }
 
 func init() {