diff --git a/putty.changes b/putty.changes
index b8b5817..750094d 100644
--- a/putty.changes
+++ b/putty.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue May  2 13:07:52 UTC 2017 - bwiedemann@suse.com
+
+- Add reproducible.patch to use convert -strip to not have timestamps
+  in png files to make build fully reproducible
+
 -------------------------------------------------------------------
 Tue May  2 12:11:41 UTC 2017 - idonmez@suse.com
 
diff --git a/putty.spec b/putty.spec
index 4bec74a..a62f3da 100644
--- a/putty.spec
+++ b/putty.spec
@@ -31,6 +31,7 @@ Source2:        http://the.earth.li/~sgtatham/putty/latest/%name-%version.tar.gz
 Source4:        %name.keyring
 Patch1:         putty-03-config.diff
 Patch2:         gtk-buildfix.diff
+Patch3:         reproducible.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  ImageMagick
 BuildRequires:  gtk3-devel
@@ -45,7 +46,7 @@ serial console client.
 
 %prep
 %setup -q
-%patch -P 1 -P 2 -p1
+%patch -P 1 -P 2 -P 3 -p1
 
 %build
 %configure
diff --git a/reproducible.patch b/reproducible.patch
new file mode 100644
index 0000000..9d1c52f
--- /dev/null
+++ b/reproducible.patch
@@ -0,0 +1,18 @@
+From: Bernhard Wiedemann <bwiedemann@suse.com>
+Date: Tue, 8 Mar 2016 19:39:47
+# PATCH-FIX-UPSTREAM
+
+Drop build timestamps from png.
+Index: putty-0.68/icons/Makefile
+===================================================================
+--- putty-0.68.orig/icons/Makefile
++++ putty-0.68/icons/Makefile
+@@ -38,7 +38,7 @@ $(PAMS): %.pam: mkicon.py
+ 	./mkicon.py $(MODE) $(join $(subst -, ,$(basename $@)),_icon) $@
+ 
+ $(PNGS) $(MONOPNGS) $(TRUEPNGS): %.png: %.pam
+-	convert $< $@
++	convert -strip $< $@
+ 
+ $(MONOPAMS): %.pam: mkicon.py
+ 	./mkicon.py -2 $(MODE) $(join $(subst -, ,$(subst -mono,,$(basename $@))),_icon) $@