diff --git a/SOURCES/mass-builder b/SOURCES/mass-builder
index a2883a8..85ad25d 100755
--- a/SOURCES/mass-builder
+++ b/SOURCES/mass-builder
@@ -7,7 +7,7 @@
 APP="MassBuilder"
 
 # App version (String)
-VER="6.1.0"
+VER="6.0.1"
 
 ################################################################################
 
diff --git a/SOURCES/rbbuild b/SOURCES/rbbuild
index 9c7132e..f0e7b9b 100755
--- a/SOURCES/rbbuild
+++ b/SOURCES/rbbuild
@@ -13,7 +13,7 @@ fi
 APP="RBBuild"
 
 # App version (String)
-VER="2.4.0"
+VER="2.3.1"
 
 ################################################################################
 
diff --git a/SOURCES/rbdef b/SOURCES/rbdef
index 52de256..180dc98 100755
--- a/SOURCES/rbdef
+++ b/SOURCES/rbdef
@@ -13,7 +13,7 @@ fi
 APP="RBBuild Def Utils"
 
 # App version (String)
-VER="2.1.0"
+VER="2.0.1"
 
 ################################################################################
 
diff --git a/rbbuild.spec b/rbbuild.spec
index 648064c..5f9138e 100644
--- a/rbbuild.spec
+++ b/rbbuild.spec
@@ -2,7 +2,7 @@
 
 Summary:    Utility for compiling and installing different ruby versions
 Name:       rbbuild
-Version:    2.4.0
+Version:    2.3.1
 Release:    0%{?dist}
 License:    Apache License, Version 2.0
 Vendor:     ESSENTIAL KAOS
@@ -57,7 +57,7 @@ rm -rf %{buildroot}
 ################################################################################
 
 %changelog
-* Thu Nov 30 2023 Anton Novojilov <andy@essentialkaos.com> - 2.4.0-0
+* Thu Nov 30 2023 Anton Novojilov <andy@essentialkaos.com> - 2.3.1-0
 - Code refactoring
 
 * Mon Aug 28 2023 Anton Novojilov <andy@essentialkaos.com> - 2.3.0-0