diff --git a/libatomic_ops-7.6.2.tar.gz b/libatomic_ops-7.6.2.tar.gz
deleted file mode 100644
index 4280fb0..0000000
--- a/libatomic_ops-7.6.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:219724edad3d580d4d37b22e1d7cb52f0006d282d26a9b8681b560a625142ee6
-size 496917
diff --git a/libatomic_ops-7.6.6.tar.gz b/libatomic_ops-7.6.6.tar.gz
new file mode 100644
index 0000000..dc45137
--- /dev/null
+++ b/libatomic_ops-7.6.6.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99feabc5f54877f314db4fadeb109f0b3e1d1a54afb6b4b3dfba1e707e38e074
+size 498187
diff --git a/libatomic_ops.changes b/libatomic_ops.changes
index 393b5eb..e341f25 100644
--- a/libatomic_ops.changes
+++ b/libatomic_ops.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Wed Oct 24 05:09:08 UTC 2018 - sean@suspend.net
+
+- Update to new upstream release 7.6.6
+  * Fix undefined reference to __atomic_load/store/cas_16
+  * Fix a typo in the overview section of README
+  * Fix comments style in configure.ac and Makefile.am
+  * Update copyright information in README and some header files
+
 -------------------------------------------------------------------
 Mon Jan 29 11:04:41 UTC 2018 - jengelh@inai.de
 
diff --git a/libatomic_ops.spec b/libatomic_ops.spec
index 58a2b25..373ee22 100644
--- a/libatomic_ops.spec
+++ b/libatomic_ops.spec
@@ -12,21 +12,20 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
 Name:           libatomic_ops
-Version:        7.6.2
+Version:        7.6.6
 Release:        0
 Summary:        A portable library for atomic memory operations
-License:        GPL-2.0+ and MIT
+License:        GPL-2.0-or-later AND MIT
 Group:          Development/Languages/C and C++
 Url:            https://github.com/ivmai/libatomic_ops
 
 #Git-Clone:	git://github.com/ivmai/libatomic_ops
 Source:         http://www.ivmaisoft.com/_bin/atomic_ops/%name-%version.tar.gz
-Patch1:         libatomic_ops-ppc64.patch
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  libtool
@@ -54,7 +53,6 @@ that involves minimum overhead across a variety of architectures.
 
 %prep
 %setup -q
-%patch -P 1 -p1
 
 %build
 autoreconf -fiv