diff --git a/rustc.spec b/rustc.spec
index 1ca84e2..6433da7 100644
--- a/rustc.spec
+++ b/rustc.spec
@@ -1,6 +1,6 @@
 %define stage1 1
 Name:          rustc
-Version:       1.52.1
+Version:       1.54.0
 Release:       1mamba
 Summary:       The Rust programming language, designed to be a safe, concurrent, practical language
 Group:         Applications/Development
@@ -45,9 +45,8 @@ This package contains the documentation for %{name}.
 %debug_package
 
 %prep
-%setup -q -n %{name}-%{version}-src
-#-D -T
-#:<< _EOF
+%setup -q -n %{name}-%{version}-src -D -T
+:<< _EOF
 #%patch0 -p0
 
 cat <<EOF > config.toml
@@ -125,11 +124,11 @@ cd -
 %{_bindir}/cargo
 %{_bindir}/cargo-fmt
 %{_bindir}/cargo-clippy
-%{_bindir}/cargo-miri
+#%{_bindir}/cargo-miri
 %{_bindir}/clippy-driver
-%{_bindir}/miri
+#%{_bindir}/miri
 %{_bindir}/rls
-%{_bindir}/rust-analyzer
+#%{_bindir}/rust-analyzer
 %{_bindir}/rust-gdb
 %{_bindir}/rust-gdbgui
 %{_bindir}/rust-lldb
@@ -196,6 +195,9 @@ cd -
 #%doc README.md
 
 %changelog
+* Sun Aug 15 2021 Automatic Build System <autodist@mambasoft.it> 1.54.0-1mamba
+- automatic version update by autodist
+
 * Tue May 11 2021 Automatic Build System <autodist@mambasoft.it> 1.52.1-1mamba
 - automatic version update by autodist