diff --git a/debian/copyright b/debian/copyright
index 6488ea2..5bbb01b 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -88,6 +88,24 @@ Copyright: 1998, Ben Elliston
            1998-2001, Ross Johnson
 License: LGPL-2.1+
 
+Files: libobs/util/simde/*
+Copyright: 2017-2018, Evan Nemerson <evan@nemerson.com>
+           2015-2017, John W. Ratcliff <jratcliffscarab@gmail.com>
+           2015, Brandon Rowlett <browlett@nvidia.com>
+           2015, Ken Fast <kfast@gdeb.com>
+           2017, Hasindu Gamaarachchi <hasindu@unsw.edu.au>
+           2018, Jeff Daily <jeff.daily@amd.com>
+License: Expat
+
+Files: libobs/util/simde/check.h
+       libobs/util/simde/hedley.h
+       libobs/util/simde/simde-arch.h
+       libobs/util/simde/simde-common.h
+Copyright: 2017-2018, Evan Nemerson <evan@nemerson.com>
+License: CC0-1.0
+ On Debian systems, the complete text of the Creative Commons 1.0 Universal
+ License can be found in "/usr/share/common-licenses/CC0-1.0".
+
 Files: libobs/util/vc/vc_stdint.h
 Copyright: none
 License: public-domain
@@ -262,4 +280,4 @@ License: LGPL-2.1+
  along with this program. If not, see <https://www.gnu.org/licenses/>.
  .
  On Debian systems, the complete text of the GNU Lesser General
- Public License can be found in "/usr/share/common-licenses/LGPL-2.1".
\ No newline at end of file
+ Public License can be found in "/usr/share/common-licenses/LGPL-2.1".