diff --git a/tcl-aa4a13c15516da45.patch b/tcl-aa4a13c15516da45.patch
deleted file mode 100644
index a440310..0000000
--- a/tcl-aa4a13c15516da45.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-Index: unix/Makefile.in
-==================================================================
---- unix/Makefile.in
-+++ unix/Makefile.in
-@@ -1783,17 +1783,17 @@
- # Stub library binaries, these must be compiled for use in a shared library
- # even though they will be placed in a static archive
- #--------------------------------------------------------------------------
- 
- tclStubLib.o: $(GENERIC_DIR)/tclStubLib.c
--	$(CC) -c $(STUB_CC_SWITCHES) -DSTATIC_BUILD $(GENERIC_DIR)/tclStubLib.c
-+	$(CC) -c $(STUB_CC_SWITCHES) -DSTATIC_BUILD -fno-lto $(GENERIC_DIR)/tclStubLib.c
- 
- tclTomMathStubLib.o: $(GENERIC_DIR)/tclTomMathStubLib.c
--	$(CC) -c $(STUB_CC_SWITCHES) $(GENERIC_DIR)/tclTomMathStubLib.c
-+	$(CC) -c $(STUB_CC_SWITCHES) -DSTATIC_BUILD -fno-lto $(GENERIC_DIR)/tclTomMathStubLib.c
- 
- tclOOStubLib.o: $(GENERIC_DIR)/tclOOStubLib.c
--	$(CC) -c $(STUB_CC_SWITCHES) $(GENERIC_DIR)/tclOOStubLib.c
-+	$(CC) -c $(STUB_CC_SWITCHES) -DSTATIC_BUILD -fno-lto $(GENERIC_DIR)/tclOOStubLib.c
- 
- .c.o:
- 	$(CC) -c $(CC_SWITCHES) $<
- 
- #--------------------------------------------------------------------------
-
diff --git a/tcl.changes b/tcl.changes
index e284b78..ac30435 100644
--- a/tcl.changes
+++ b/tcl.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Nov  2 11:55:59 UTC 2021 - Reinhard Max <max@suse.com>
+
+- New version 8.6.12:
+  * ToDo
+  * Obsoletes tcl-aa4a13c15516da45.patch
+
 -------------------------------------------------------------------
 Wed May  5 18:32:38 UTC 2021 - Reinhard Max <max@suse.com>
 
diff --git a/tcl.spec b/tcl.spec
index 8a950b7..e1d9c8d 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -18,9 +18,9 @@
 
 Name:           tcl
 URL:            http://www.tcl.tk
-Version:        8.6.11
+Version:        8.6.12
 Release:        0
-%define         rrc %{nil}
+%define         rrc rc1
 %define TCL_MINOR %(echo %version | cut -c1-3)
 %define itclver 4.2.0
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -41,7 +41,6 @@ Source0:        http://prdownloads.sourceforge.net/tcl/%{name}%{version}%{rrc}-s
 Source1:        tcl-rpmlintrc
 Source2:        baselibs.conf
 Source3:        macros.tcl
-Patch0:         tcl-aa4a13c15516da45.patch
 BuildRequires:  autoconf
 BuildRequires:  pkg-config
 BuildRequires:  zlib-devel
@@ -81,7 +80,6 @@ the Tcl language itself.
 
 %prep
 %setup -q -n %name%version
-%patch0
 
 %build
 %global _lto_cflags %{_lto_cflags} -ffat-lto-objects
diff --git a/tcl8.6.11-src.tar.gz b/tcl8.6.11-src.tar.gz
deleted file mode 100644
index 7545539..0000000
--- a/tcl8.6.11-src.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8c0486668586672c5693d7d95817cb05a18c5ecca2f40e2836b9578064088258
-size 10259009
diff --git a/tcl8.6.12rc1-src.tar.gz b/tcl8.6.12rc1-src.tar.gz
new file mode 100644
index 0000000..ce4e9c7
--- /dev/null
+++ b/tcl8.6.12rc1-src.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7037164240aa5e3cee89cdc4edf198dd22bea43503b0322b617ea3bc991b7a8b
+size 10353324