diff --git a/QRCoder/PostscriptQRCode.cs b/QRCoder/PostscriptQRCode.cs
index 1c39ce2e..d0484a9b 100644
--- a/QRCoder/PostscriptQRCode.cs
+++ b/QRCoder/PostscriptQRCode.cs
@@ -142,7 +142,7 @@ sc sc scale
 
     public static class PostscriptQRCodeHelper
     {
-        public static string GetQRCode(string plainText, int pointsPerModule, string? darkColorHex, string? lightColorHex, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false)
+        public static string GetQRCode(string plainText, int pointsPerModule, string darkColorHex, string lightColorHex, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false)
         {
             using (var qrGenerator = new QRCodeGenerator())
             using (var qrCodeData = qrGenerator.CreateQrCode(plainText, eccLevel, forceUtf8, utf8BOM, eciMode, requestedVersion))
diff --git a/QRCoderApiTests/net35+net40+net50+net50-windows+netstandard20/QRCoder.approved.txt b/QRCoderApiTests/net35+net40+net50+net50-windows+netstandard20/QRCoder.approved.txt
index 4dd292dc..4bc3a2ff 100644
--- a/QRCoderApiTests/net35+net40+net50+net50-windows+netstandard20/QRCoder.approved.txt
+++ b/QRCoderApiTests/net35+net40+net50+net50-windows+netstandard20/QRCoder.approved.txt
@@ -856,7 +856,7 @@ namespace QRCoder
     }
     public static class PostscriptQRCodeHelper
     {
-        public static string GetQRCode(string plainText, int pointsPerModule, string? darkColorHex, string? lightColorHex, QRCoder.QRCodeGenerator.ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, QRCoder.QRCodeGenerator.EciMode eciMode = 0, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false) { }
+        public static string GetQRCode(string plainText, int pointsPerModule, string darkColorHex, string lightColorHex, QRCoder.QRCodeGenerator.ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, QRCoder.QRCodeGenerator.EciMode eciMode = 0, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false) { }
     }
     public class QRCode : QRCoder.AbstractQRCode, System.IDisposable
     {
diff --git a/QRCoderApiTests/net60-windows/QRCoder.approved.txt b/QRCoderApiTests/net60-windows/QRCoder.approved.txt
index dabf0019..9f84c603 100644
--- a/QRCoderApiTests/net60-windows/QRCoder.approved.txt
+++ b/QRCoderApiTests/net60-windows/QRCoder.approved.txt
@@ -863,7 +863,7 @@ namespace QRCoder
     }
     public static class PostscriptQRCodeHelper
     {
-        public static string GetQRCode(string plainText, int pointsPerModule, string? darkColorHex, string? lightColorHex, QRCoder.QRCodeGenerator.ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, QRCoder.QRCodeGenerator.EciMode eciMode = 0, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false) { }
+        public static string GetQRCode(string plainText, int pointsPerModule, string darkColorHex, string lightColorHex, QRCoder.QRCodeGenerator.ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, QRCoder.QRCodeGenerator.EciMode eciMode = 0, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false) { }
     }
     [System.Runtime.Versioning.SupportedOSPlatform("windows")]
     public class QRCode : QRCoder.AbstractQRCode, System.IDisposable
diff --git a/QRCoderApiTests/net60/QRCoder.approved.txt b/QRCoderApiTests/net60/QRCoder.approved.txt
index f7875bc9..a50f60df 100644
--- a/QRCoderApiTests/net60/QRCoder.approved.txt
+++ b/QRCoderApiTests/net60/QRCoder.approved.txt
@@ -807,7 +807,7 @@ namespace QRCoder
     }
     public static class PostscriptQRCodeHelper
     {
-        public static string GetQRCode(string plainText, int pointsPerModule, string? darkColorHex, string? lightColorHex, QRCoder.QRCodeGenerator.ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, QRCoder.QRCodeGenerator.EciMode eciMode = 0, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false) { }
+        public static string GetQRCode(string plainText, int pointsPerModule, string darkColorHex, string lightColorHex, QRCoder.QRCodeGenerator.ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, QRCoder.QRCodeGenerator.EciMode eciMode = 0, int requestedVersion = -1, bool drawQuietZones = true, bool epsFormat = false) { }
     }
     public class QRCodeData : System.IDisposable
     {