diff --git a/darktable-1.6.4-nopatents.tar.xz b/darktable-1.6.4-nopatents.tar.xz
deleted file mode 100644
index 0e39dd8..0000000
--- a/darktable-1.6.4-nopatents.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c6fbcf177592561521d132e5664f8eed5f4b7b7e1e54caf54d4865b9d5932c6a
-size 3122056
diff --git a/darktable-1.6.6-nopatents.tar.xz b/darktable-1.6.6-nopatents.tar.xz
new file mode 100644
index 0000000..ab57e61
--- /dev/null
+++ b/darktable-1.6.6-nopatents.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6dc9ec67e01a9fbb6553ae8bc9ffd54181d27c88761d27caf444d0c20aab2a4f
+size 3103312
diff --git a/darktable.changes b/darktable.changes
index bc977a9..65883a9 100644
--- a/darktable.changes
+++ b/darktable.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Sat Apr 25 18:16:41 UTC 2015 - mrueckert@suse.de
+
+- Update to version 1.6.6
+  - fix the Olympus E330 support (which was accidentally broken in
+    1.6.4)
+  - fix white balance reading for the Canon Powershot SX50 HS
+  - white balance presets for RICOH GR
+  - minor assorted bug fixes (masks, lens correction, profiled
+    denoise, etc)
+- remove unused cmake option from the cmdline:
+  INSTALL_IOP_EXPERIMENTAL
+
 -------------------------------------------------------------------
 Fri Apr 17 21:41:00 UTC 2015 - mrueckert@suse.de
 
diff --git a/darktable.spec b/darktable.spec
index 9aa4032..b95c5f4 100644
--- a/darktable.spec
+++ b/darktable.spec
@@ -17,7 +17,7 @@
 
 
 Name:           darktable
-Version:        1.6.4
+Version:        1.6.6
 Release:        0
 Url:            http://darktable.sourceforge.net
 # darktable contains patented code that we cannot ship.  Therefore we use
@@ -129,7 +129,7 @@ cmake \
         -DBINARY_PACKAGE_BUILD=1  \
         -DUSE_XMLLINT=OFF \
         -DUSE_SQUISH=OFF -DUSE_COLORD=ON -DBUILD_CMSTEST=On \
-        -DINSTALL_IOP_EXPERIMENTAL=On  ..
+        ..
 %__make %{_smp_mflags} VERBOSE=1
 
 #%%__make -j 1 VERBOSE=1