diff --git a/pkg/pgutils/utils.go b/pkg/pgutils/utils.go
index f207ff2..b9681d2 100644
--- a/pkg/pgutils/utils.go
+++ b/pkg/pgutils/utils.go
@@ -15,6 +15,7 @@ const (
 	MajorVersion13 = "13"
 	MajorVersion14 = "14"
 	MajorVersion15 = "15"
+	MajorVersion16 = "16"
 )
 
 const (
@@ -45,7 +46,7 @@ func ToPGMajorVersion(val string) (string, error) {
 		return "", fmt.Errorf(errCouldNotParseVersionFmt, val)
 	}
 	switch res[1] {
-	case MajorVersion10, MajorVersion11, MajorVersion12, MajorVersion13, MajorVersion14, MajorVersion15:
+	case MajorVersion10, MajorVersion11, MajorVersion12, MajorVersion13, MajorVersion14, MajorVersion15, MajorVersion16:
 		return res[1], nil
 	case "7", "8", "9":
 		return res[1] + res[2], nil
diff --git a/pkg/tstune/utils.go b/pkg/tstune/utils.go
index 1ef679b..07554f1 100644
--- a/pkg/tstune/utils.go
+++ b/pkg/tstune/utils.go
@@ -12,6 +12,7 @@ import (
 // ValidPGVersions is a slice representing the major versions of PostgreSQL
 // for which recommendations can be generated.
 var ValidPGVersions = []string{
+	pgutils.MajorVersion16,
 	pgutils.MajorVersion15,
 	pgutils.MajorVersion14,
 	pgutils.MajorVersion13,
diff --git a/pkg/tstune/utils_test.go b/pkg/tstune/utils_test.go
index 211ebf7..dd9882d 100644
--- a/pkg/tstune/utils_test.go
+++ b/pkg/tstune/utils_test.go
@@ -119,6 +119,7 @@ func TestGetPGMajorVersion(t *testing.T) {
 	okPath13 := "pg_config_13"
 	okPath14 := "pg_config_14"
 	okPath15 := "pg_config_15"
+	okPath16 := "pg_config_16"
 	okPath95 := "pg_config_9.5"
 	okPath60 := "pg_config_6.0"
 	cases := []struct {
@@ -195,6 +196,8 @@ func TestGetPGMajorVersion(t *testing.T) {
 			return "PostgreSQL 14.0", nil
 		case okPath15:
 			return "PostgreSQL 15.0", nil
+		case okPath16:
+			return "PostgreSQL 16.0", nil
 		default:
 			return "", exec.ErrNotFound
 		}
@@ -231,6 +234,7 @@ func TestValidatePGMajorVersion(t *testing.T) {
 		pgutils.MajorVersion13: true,
 		pgutils.MajorVersion14: true,
 		pgutils.MajorVersion15: true,
+		pgutils.MajorVersion16: true,
 		"9.5":                  false,
 		"1.2.3":                false,
 		"9.6.6":                false,