diff --git a/tcl.changes b/tcl.changes
index 12cca64..2cdb4cb 100644
--- a/tcl.changes
+++ b/tcl.changes
@@ -1,3 +1,57 @@
+-------------------------------------------------------------------
+Fri Aug 11 15:00:00 UTC 2017 - max@suse.com
+
+- New version: 8.6.7:
+  * (bug)[c09edf] Bad caching with  custom resolver
+  * (bug)[4dbdd9] Memleak in test var-8.3
+  * (bug)[2bf561] Allow empty command as alias target
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[4d5ae7] Crash in async connects host no address
+  * (bug)[838e99] treat application/xml as text => http 2.8.10
+  * (bug)[3cc1d9] Thread finalization crash in zippy
+  * (bug)[be003d] Fix [scan 0x1 %b], [scan 0x1 %o]
+  * (bug)[eb6b68] Fix stringComp-14.5
+  * (bug)[b26e38] Fix zlib-7.8
+  * (bug)[1ae129] Fix memleak in [history] destruction
+  * (feature) Provisional Tcl 9 support in msgcat and tcltest
+    => msgcat 1.6.1 => tcltest 2.4.1
+  * (bug)[824752] Crash in Tcl_ListObjReplace()
+  * (bug)[79614f] invalidate VFS mounts on sytem encoding change
+  * (bug) TclOO fix stops crash mixing Itcl and snit
+  * (update) Reconcile libtommath updates; purge unused files
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[b87ad7] Repair drifts in timer clock
+  * (bug)[39f630] Revise Tcl_LinkVar to tolerate some prefixes
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[d0f7ba] Improper NAN optimization. expr-22.1[01]
+  * (bug)[25842c] zlib stream finalization
+  * (enhancement) [clock] and [encoding] are now ensembles
+  * (enhancement) several [clock] subcommands bytecoded
+  * (bug)[900cb0] Fix OO unexport introspection
+  * (bug)[42202b] Nesting imbalance in coro injection
+  * (bug)[bc4322] http package support for safe interps
+  * (bug)[f34cf8] [file join a //b] => /b
+  * (bug)[8bd13f] Windows threads and pipe
+  * (bug)[f9fe90] [file join //a b] EIAS violation
+  * (bug)[601522] [binary] field spec overflow -> segfault
+  * (bug)[6ca52a] http memleak handling keep-alive=> http 2.8.11
+  * (bug)[a3fb33] crash in [lsort] on long lists
+  * (bug)[67aa9a] Tcl_UtfToUniChar() revised handling invalid UTF-8
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[2738427] Tcl_NumUtfChars() corner case utf-4.9
+  * (update) Update Unicode data to 10.0
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (TIP 473) Let [oo::copy] specify target namespace
+  * (bug)[46f801] Repair autoloader fragility
+  * (bug)[adb198] Plug memleak in TclJoinPath
+  * (bug)[fb2208] Repeatable tclIndex generation
+- Included Itcl is now version 4.0.5.
+
+-------------------------------------------------------------------
+Sat Jul 22 10:55:06 UTC 2017 - schwab@linux-m68k.org
+
+- Add zlib-devel to BuildRequires, don't use included zlib sources
+
 -------------------------------------------------------------------
 Mon Feb 27 17:14:24 UTC 2017 - schwab@suse.de
 
diff --git a/tcl.spec b/tcl.spec
index fe79b20..2acd7ac 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -18,7 +18,7 @@
 
 Name:           tcl
 Url:            http://www.tcl.tk
-Version:        8.6.6
+Version:        8.6.7
 Release:        0
 %define         rrc %{nil}
 %define TCL_MINOR %(echo %version | cut -c1-3)
@@ -26,15 +26,15 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Summary:        The Tcl Programming Language
 License:        TCL
 Group:          Development/Languages/Tcl
+Provides:       itcl = 4.0.5
+Provides:       tclsh
+Provides:       tclsh%{TCL_MINOR}
+Obsoletes:      itcl < 4.0.5
 # bug437293
 %ifarch ppc64
 Obsoletes:      tcl-64bit
 %endif
 #
-Provides:       tclsh
-Provides:       tclsh%{TCL_MINOR}
-Obsoletes:      itcl < 4.0.2
-Provides:       itcl = 4.0.2
 PreReq:         /bin/rm
 Source0:        ftp://ftp.tcl.tk/pub/tcl/tcl8_6/%{name}%{version}%{rrc}-src.tar.gz
 Source1:        tcl-rpmlintrc
@@ -42,6 +42,7 @@ Source2:        baselibs.conf
 Source3:        macros.tcl
 BuildRequires:  autoconf
 BuildRequires:  pkg-config
+BuildRequires:  zlib-devel
 # Required for test suite:
 BuildRequires:  timezone
 
diff --git a/tcl8.6.6-src.tar.gz b/tcl8.6.6-src.tar.gz
deleted file mode 100644
index f4525e9..0000000
--- a/tcl8.6.6-src.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a265409781e4b3edcc4ef822533071b34c3dc6790b893963809b9fe221befe07
-size 9553805
diff --git a/tcl8.6.7-src.tar.gz b/tcl8.6.7-src.tar.gz
new file mode 100644
index 0000000..a7a8fd9
--- /dev/null
+++ b/tcl8.6.7-src.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c6b8f84e37332423cfe5bae503440d88450da8cc1243496249faa5268026ba5
+size 9687799