diff --git a/README.md b/README.md
index fbc5258..c2ace52 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ This project provides a set of template renderers.
 - **rife.render.Uncapitalize**
   - Un-capitalizes a template value.
 - **rife.render.Uppercase**
-  - Convert a template value to uppercase.
+  - Converts a template value to uppercase.
 - **rife.render.Year**
   - Renders the current year.
 
diff --git a/lib/src/main/java/rife2/render/Capitalize.java b/lib/src/main/java/rife2/render/Capitalize.java
index f186397..71f007e 100644
--- a/lib/src/main/java/rife2/render/Capitalize.java
+++ b/lib/src/main/java/rife2/render/Capitalize.java
@@ -19,8 +19,7 @@ package rife2.render;
 
 import rife.template.Template;
 import rife.template.ValueRenderer;
-
-import java.util.Locale;
+import rife.tools.Localization;
 
 /**
  * <p>Capitalizes a template value.</p>
@@ -43,7 +42,7 @@ public class Capitalize implements ValueRenderer {
     public String render(Template template, String valueId, String differentiator) {
         if (template.hasValueId(differentiator)) {
             var value = template.getValue(differentiator);
-            return value.substring(0, 1).toUpperCase(Locale.getDefault()) + value.substring(1);
+            return value.substring(0, 1).toUpperCase(Localization.getLocale()) + value.substring(1);
         } else {
             return "";
         }
diff --git a/lib/src/main/java/rife2/render/EncodeQp.java b/lib/src/main/java/rife2/render/EncodeQp.java
index 85637c5..70241db 100644
--- a/lib/src/main/java/rife2/render/EncodeQp.java
+++ b/lib/src/main/java/rife2/render/EncodeQp.java
@@ -19,8 +19,7 @@ package rife2.render;
 
 import rife.template.Template;
 import rife.template.ValueRenderer;
-
-import java.util.Locale;
+import rife.tools.Localization;
 
 /**
  * <p>Converts a template value to a quoted-printable string.</p>
@@ -65,7 +64,7 @@ public class EncodeQp implements ValueRenderer {
                     buff.append('0');
                 }
 
-                buff.append(hex.toUpperCase(Locale.getDefault()));
+                buff.append(hex.toUpperCase(Localization.getLocale()));
             }
         }
 
diff --git a/lib/src/main/java/rife2/render/Lowercase.java b/lib/src/main/java/rife2/render/Lowercase.java
index ea09983..f98a268 100644
--- a/lib/src/main/java/rife2/render/Lowercase.java
+++ b/lib/src/main/java/rife2/render/Lowercase.java
@@ -19,8 +19,7 @@ package rife2.render;
 
 import rife.template.Template;
 import rife.template.ValueRenderer;
-
-import java.util.Locale;
+import rife.tools.Localization;
 
 /**
  * <p>Converts a template value to lowercase.</p>
@@ -42,7 +41,7 @@ public class Lowercase implements ValueRenderer {
     @Override
     public String render(Template template, String valueId, String differentiator) {
         if (template.hasValueId(differentiator)) {
-            return template.getValue(differentiator).toLowerCase(Locale.getDefault());
+            return template.getValue(differentiator).toLowerCase(Localization.getLocale());
         } else {
             return "";
         }
diff --git a/lib/src/main/java/rife2/render/Uncapitalize.java b/lib/src/main/java/rife2/render/Uncapitalize.java
index 9a9f45a..9428299 100644
--- a/lib/src/main/java/rife2/render/Uncapitalize.java
+++ b/lib/src/main/java/rife2/render/Uncapitalize.java
@@ -19,8 +19,7 @@ package rife2.render;
 
 import rife.template.Template;
 import rife.template.ValueRenderer;
-
-import java.util.Locale;
+import rife.tools.Localization;
 
 /**
  * <p>Un-capitalizes a template value.</p>
@@ -43,7 +42,7 @@ public class Uncapitalize implements ValueRenderer {
     public String render(Template template, String valueId, String differentiator) {
         if (template.hasValueId(differentiator)) {
             var value = template.getValue(differentiator);
-            return value.substring(0, 1).toLowerCase(Locale.getDefault()) + value.substring(1);
+            return value.substring(0, 1).toLowerCase(Localization.getLocale()) + value.substring(1);
         } else {
             return "";
         }
diff --git a/lib/src/main/java/rife2/render/Uppercase.java b/lib/src/main/java/rife2/render/Uppercase.java
index 6a5a6c4..839bb1e 100644
--- a/lib/src/main/java/rife2/render/Uppercase.java
+++ b/lib/src/main/java/rife2/render/Uppercase.java
@@ -19,8 +19,7 @@ package rife2.render;
 
 import rife.template.Template;
 import rife.template.ValueRenderer;
-
-import java.util.Locale;
+import rife.tools.Localization;
 
 /**
  * <p>Convert a template value to uppercase.</p>
@@ -42,7 +41,7 @@ public class Uppercase implements ValueRenderer {
     @Override
     public String render(Template template, String valueId, String differentiator) {
         if (template.hasValueId(differentiator)) {
-            return template.getValue(differentiator).toUpperCase(Locale.getDefault());
+            return template.getValue(differentiator).toUpperCase(Localization.getLocale());
         } else {
             return "";
         }