diff --git a/src/LocaleNames/LocaleNames.csproj b/src/LocaleNames/LocaleNames.csproj
index e75efbe..ce5f6b7 100644
--- a/src/LocaleNames/LocaleNames.csproj
+++ b/src/LocaleNames/LocaleNames.csproj
@@ -76,7 +76,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="$(TargetFramework.StartsWith('netstandard2.0'))">
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="System.Text.Json" Version="5.0.0" />
   </ItemGroup>
 
   <Import Project="Resources.include" />
diff --git a/src/LocaleNames/LocaleTranslations.cs b/src/LocaleNames/LocaleTranslations.cs
index a2b18a7..d0fd0c7 100644
--- a/src/LocaleNames/LocaleTranslations.cs
+++ b/src/LocaleNames/LocaleTranslations.cs
@@ -8,11 +8,7 @@
 using System.Globalization;
 using System.IO;
 using System.Linq;
-#if NETSTANDARD2_0
-using Newtonsoft.Json;
-#else
 using System.Text.Json;
-#endif
 
 namespace LocaleNames
 {
@@ -243,11 +239,7 @@ private bool LoadDictionary(string key, string postfix, ref IDictionary<string,
                         var compressedResourceValue = streamReader.ReadToEnd();
                         var decompressedResourceValue = GzipUtils.Decompress(compressedResourceValue);
 
-#if NETSTANDARD2_0
-                        dict = JsonConvert.DeserializeObject<ResourceLocale>(decompressedResourceValue).Values;
-#else
                         dict = JsonSerializer.Deserialize<ResourceLocale>(decompressedResourceValue).Values;
-#endif
 
                         isFound = true;
                     }