diff --git a/libXaw3d-1.6.5.tar.xz b/libXaw3d-1.6.5.tar.xz
deleted file mode 100644
index a17afdc..0000000
--- a/libXaw3d-1.6.5.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3481ee4b6753b88e18856ea265cb84f2b0339ee8c3bbec966b156b38b5841833
-size 483496
diff --git a/libXaw3d-1.6.5.tar.xz.sig b/libXaw3d-1.6.5.tar.xz.sig
deleted file mode 100644
index 7f296e0..0000000
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diff --git a/libXaw3d-1.6.6.tar.xz b/libXaw3d-1.6.6.tar.xz
new file mode 100644
index 0000000..c14e182
--- /dev/null
+++ b/libXaw3d-1.6.6.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a41c3e37135ad616b1f28bbde70002afbf3cb59a30df34141f829d32eadc8646
+size 482040
diff --git a/libXaw3d-1.6.6.tar.xz.sig b/libXaw3d-1.6.6.tar.xz.sig
new file mode 100644
index 0000000..b0079e5
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diff --git a/libXaw3d.changes b/libXaw3d.changes
index 24a5290..60ad784 100644
--- a/libXaw3d.changes
+++ b/libXaw3d.changes
@@ -1,3 +1,23 @@
+-------------------------------------------------------------------
+Tue Mar  5 14:58:43 UTC 2024 - Dr. Werner Fink <werner@suse.de>
+
+- Update to libXaw3d 1.6.6:
+  * unifdef ISC
+  * unifdef macII
+  * Stop working around a bug in the macII A/UX 1.0 cc
+  * Remove unused sharedlib.c
+  * It was only built by Imake if SUNSHLIB was defined.
+  * SUNSHLIB was only set in the Imake configs for SunOS versions < 5
+  * unifdef __UNIXOS2__
+  * unifdef __osf__
+  * gitlab CI: add xz-utils to container for "make distcheck"
+  * Also update to latest ci-templates
+  * unifdef AIXV3
+  * unifdef sony
+  * unifdef NCR
+  * Multisink.c: Clear -Werror=incompatible-pointer-types error
+    this fixes boo#1220977
+
 -------------------------------------------------------------------
 Wed Aug 16 12:33:24 UTC 2023 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/libXaw3d.spec b/libXaw3d.spec
index ddc473d..4079ebf 100644
--- a/libXaw3d.spec
+++ b/libXaw3d.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libXaw3d
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,7 +17,7 @@
 
 
 Name:           libXaw3d
-Version:        1.6.5
+Version:        1.6.6
 Release:        0
 Summary:        The 3D Athena Widget Set
 License:        MIT