diff --git a/packages/primevue/src/inputgroup/style/InputGroupStyle.js b/packages/primevue/src/inputgroup/style/InputGroupStyle.js
index d93a294de..0a0b9c80c 100644
--- a/packages/primevue/src/inputgroup/style/InputGroupStyle.js
+++ b/packages/primevue/src/inputgroup/style/InputGroupStyle.js
@@ -22,18 +22,18 @@ const theme = ({ dt }) => `
     padding: ${dt('inputgroup.addon.padding')};
     background: ${dt('inputgroup.addon.background')};
     color: ${dt('inputgroup.addon.color')};
-    border-top: 1px solid ${dt('inputgroup.addon.border.color')};
-    border-bottom: 1px solid ${dt('inputgroup.addon.border.color')};
+    border-block-start: 1px solid ${dt('inputgroup.addon.border.color')};
+    border-block-end: 1px solid ${dt('inputgroup.addon.border.color')};
     min-width: ${dt('inputgroup.addon.min.width')};
 }
 
 .p-inputgroupaddon:first-child,
 .p-inputgroupaddon + .p-inputgroupaddon {
-    border-left: 1px solid ${dt('inputgroup.addon.border.color')};
+    border-inline-start: 1px solid ${dt('inputgroup.addon.border.color')};
 }
 
 .p-inputgroupaddon:last-child {
-    border-right: 1px solid ${dt('inputgroup.addon.border.color')};
+    border-inline-end: 1px solid ${dt('inputgroup.addon.border.color')};
 }
 
 .p-inputgroup > .p-component,
@@ -53,8 +53,8 @@ const theme = ({ dt }) => `
 .p-inputgroup > .p-floatlabel:first-child > .p-inputwrapper > .p-component,
 .p-inputgroup > .p-iftalabel:first-child > .p-component,
 .p-inputgroup > .p-iftalabel:first-child > .p-inputwrapper > .p-component {
-    border-top-left-radius: ${dt('inputgroup.addon.border.radius')};
-    border-bottom-left-radius: ${dt('inputgroup.addon.border.radius')};
+    border-start-start-radius: ${dt('inputgroup.addon.border.radius')};
+    border-end-start-radius: ${dt('inputgroup.addon.border.radius')};
 }
 
 .p-inputgroupaddon:last-child,
@@ -64,8 +64,8 @@ const theme = ({ dt }) => `
 .p-inputgroup > .p-floatlabel:last-child > .p-inputwrapper > .p-component,
 .p-inputgroup > .p-iftalabel:last-child > .p-component,
 .p-inputgroup > .p-iftalabel:last-child > .p-inputwrapper > .p-component {
-    border-top-right-radius: ${dt('inputgroup.addon.border.radius')};
-    border-bottom-right-radius: ${dt('inputgroup.addon.border.radius')};
+    border-start-end-radius: ${dt('inputgroup.addon.border.radius')};
+    border-end-end-radius: ${dt('inputgroup.addon.border.radius')};
 }
 
 .p-inputgroup .p-component:focus,