diff --git a/.golangci.yml b/.golangci.yml
index c5e8a977..c971fb0c 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,4 +1,4 @@
-# v1.54.2
+# v1.55.0
 # Please don't remove the first line. It is used in CI to determine the golangci version
 run:
   deadline: 5m
@@ -104,4 +104,7 @@ linters:
     - ifshort
     - nosnakecase
     - depguard # Dependency whitelist, needs to be configured
+    - inamedparam # Fails if interfaces do not have named params. Not in our code style.
+    - perfsprint # Suggests using strconv.* instead of fmt.* for printing numbers. Not very practical.
+    - protogetter # Complains when code reads var.Something if var.GetSomething() exists. Not useful.
   fast: false
diff --git a/pkg/iptables/iptables.go b/pkg/iptables/iptables.go
index c954a954..5bb72372 100644
--- a/pkg/iptables/iptables.go
+++ b/pkg/iptables/iptables.go
@@ -43,6 +43,7 @@ import (
 const redirectLocalRule = "OUTPUT " + // For local traffic
 	"-t nat " + // Traversing the nat table
 	"-s 127.0.0.0/8 -d 127.0.0.1/32 " + // Coming from and directed to localhost, i.e. not the pod IP.
+	//nolint:goconst
 	"-p tcp --dport %d " + // Sent to the upstream application's port
 	"-j REDIRECT --to-port %d" // Forward it to the proxy address
 
diff --git a/pkg/runtime/executor_test.go b/pkg/runtime/executor_test.go
index b80a8145..d10676ec 100644
--- a/pkg/runtime/executor_test.go
+++ b/pkg/runtime/executor_test.go
@@ -68,8 +68,7 @@ func Test_Exec(t *testing.T) {
 
 			if string(out) != tc.expectOutput {
 				t.Errorf(
-					"returned output does not match expected value.\n"+
-						"Expected: %s\nActual: %s\n",
+					"returned output does not match expected value.\nExpected: %s\nActual: %s",
 					tc.expectOutput,
 					string(out),
 				)
diff --git a/pkg/runtime/fake_test.go b/pkg/runtime/fake_test.go
index b6af8f19..873f8d43 100644
--- a/pkg/runtime/fake_test.go
+++ b/pkg/runtime/fake_test.go
@@ -54,8 +54,7 @@ func Test_FakeExecutor(t *testing.T) {
 
 			if !errors.Is(err, tc.err) {
 				t.Errorf(
-					"returned error does not match expected value.\n"+
-						"Expected: %v\nActual: %v\n",
+					"returned error does not match expected value.\nExpected: %v\nActual: %v",
 					tc.err,
 					err,
 				)
@@ -64,8 +63,7 @@ func Test_FakeExecutor(t *testing.T) {
 
 			if string(out) != string(tc.out) {
 				t.Errorf(
-					"returned output does not match expected value.\n"+
-						"Expected: %s\nActual: %s\n",
+					"returned output does not match expected value.\nExpected: %s\nActual: %s",
 					string(tc.out),
 					string(out),
 				)
@@ -107,8 +105,7 @@ func Test_MultipleExecutions(t *testing.T) {
 
 				if !errors.Is(err, tc.err) {
 					t.Errorf(
-						"returned error does not match expected value.\n"+
-							"Expected: %v\nActual: %v\n",
+						"returned error does not match expected value.\nExpected: %v\nActual: %v",
 						tc.err,
 						err,
 					)
@@ -117,8 +114,7 @@ func Test_MultipleExecutions(t *testing.T) {
 
 				if string(out) != string(tc.out) {
 					t.Errorf(
-						"returned output does not match expected value.\n"+
-							"Expected: %s\nActual: %s\n",
+						"returned output does not match expected value.\nExpected: %s\nActual: %s",
 						string(tc.out),
 						string(out),
 					)
@@ -130,8 +126,7 @@ func Test_MultipleExecutions(t *testing.T) {
 			actual := strings.Join(fake.CmdHistory(), "\n")
 			if actual != expected {
 				t.Errorf(
-					"command history does not match expected value.\n"+
-						"Expected: %v\nActual: %v\n",
+					"command history does not match expected value.\nExpected: %v\nActual: %v",
 					expected,
 					actual,
 				)
@@ -190,8 +185,7 @@ func Test_Callbacks(t *testing.T) {
 
 			if !errors.Is(err, tc.err) {
 				t.Errorf(
-					"returned error does not match expected value.\n"+
-						"Expected: %v\nActual: %v\n",
+					"returned error does not match expected value.\nExpected: %v\nActual: %v",
 					tc.err,
 					err,
 				)
@@ -200,8 +194,7 @@ func Test_Callbacks(t *testing.T) {
 
 			if string(out) != string(tc.out) {
 				t.Errorf(
-					"returned output does not match expected value.\n"+
-						"Expected: %s\nActual: %s\n",
+					"returned output does not match expected value.\nExpected: %s\nActual: %s",
 					string(tc.out),
 					string(out),
 				)