diff --git a/core/foundation/inc/ROOT/RConfig.hxx b/core/foundation/inc/ROOT/RConfig.hxx
index 550bb7a366bfd..50c119b1c84ae 100644
--- a/core/foundation/inc/ROOT/RConfig.hxx
+++ b/core/foundation/inc/ROOT/RConfig.hxx
@@ -477,14 +477,8 @@
 #define _R_DEPRECATED_REMOVE_NOW(REASON) __attribute__((REMOVE_THIS_NOW))
 #endif
 
-/* USE AS `R__DEPRECATED(6,40, "Not threadsafe; use TFoo::Bar().")`
-   To be removed by 6.40 */
-#if ROOT_VERSION_CODE <= ROOT_VERSION(6, 39, 0)
-#define _R__DEPRECATED_640(REASON) _R__DEPRECATED_LATER(REASON)
-#else
-#define _R__DEPRECATED_640(REASON) _R_DEPRECATED_REMOVE_NOW(REASON)
-#endif
-
+/* USE AS `R__DEPRECATED(6,42, "Not threadsafe; use TFoo::Bar().")`
+   To be removed by 6.42 */
 #if ROOT_VERSION_CODE <= ROOT_VERSION(6, 41, 0)
 #define _R__DEPRECATED_642(REASON) _R__DEPRECATED_LATER(REASON)
 #else
diff --git a/core/foundation/inc/ROOT/RVersion.hxx b/core/foundation/inc/ROOT/RVersion.hxx
index fdb4319c069b5..2f23b7c43bf71 100644
--- a/core/foundation/inc/ROOT/RVersion.hxx
+++ b/core/foundation/inc/ROOT/RVersion.hxx
@@ -3,8 +3,8 @@
 
 /* Update on release: */
 #define ROOT_VERSION_MAJOR 6
-#define ROOT_VERSION_MINOR 39
-#define ROOT_VERSION_PATCH 99  // When changing the version number here, never add leading zeroes!
+#define ROOT_VERSION_MINOR 41
+#define ROOT_VERSION_PATCH 1 // When changing the version number here, never add leading zeroes!
 #define ROOT_RELEASE_DATE "Apr 23 2026"
 
 /* Don't change the lines below. */