diff --git a/0001-rhbz-1918152-fix-FTBFS.patch b/0001-rhbz-1918152-fix-FTBFS.patch
new file mode 100644
index 0000000..b2502d1
--- /dev/null
+++ b/0001-rhbz-1918152-fix-FTBFS.patch
@@ -0,0 +1,26 @@
+From 8b8a49e14c1010c5ab325b64fc3b65524a6a6049 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
+Date: Wed, 20 Jan 2021 09:19:25 +0000
+Subject: [PATCH] rhbz#1918152 fix FTBFS
+
+Change-Id: I5c03c810d3b2572b0e58c62293add49bd7025e70
+---
+ vcl/source/gdi/bitmap3.cxx | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/vcl/source/gdi/bitmap3.cxx b/vcl/source/gdi/bitmap3.cxx
+index ec80b03c6008..8ea5c31bee3e 100644
+--- a/vcl/source/gdi/bitmap3.cxx
++++ b/vcl/source/gdi/bitmap3.cxx
+@@ -17,8 +17,6 @@
+  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+  */
+ 
+-#include <math.h>
+-
+ #include <vcl/bitmapaccess.hxx>
+ #include <vcl/bitmapex.hxx>
+ #include <vcl/bitmap.hxx>
+-- 
+2.28.0
+
diff --git a/libreoffice.spec b/libreoffice.spec
index adbb7de..713de51 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -50,7 +50,7 @@ Summary:        Free Software Productivity Suite
 Name:           libreoffice
 Epoch:          1
 Version:        %{libo_version}.2
-Release:        4%{?libo_prerelease}%{?dist}
+Release:        5%{?libo_prerelease}%{?dist}
 License:        (MPLv1.1 or LGPLv3+) and LGPLv3 and LGPLv2+ and BSD and (MPLv1.1 or GPLv2 or LGPLv2 or Netscape) and Public Domain and ASL 2.0 and MPLv2.0 and CC0
 URL:            http://www.libreoffice.org/
 
@@ -254,6 +254,7 @@ Patch7: 0001-export-HYPERLINK-target-in-html-clipboard-export.patch
 Patch10: 0001-gcc11.patch
 Patch11: 0001-disable-tests-that-don-t-work-without-pdfium.patch
 Patch12: 0001-rhbz-1913828-SfxViewFrame-Current-can-return-null.patch
+Patch13: 0001-rhbz-1918152-fix-FTBFS.patch
 
 # Patches with numbers above 100 are applied conditionally
 Patch101: 0001-Upgrade-liborcus-to-0.16.0.patch
@@ -2272,6 +2273,9 @@ done
 %{_includedir}/LibreOfficeKit
 
 %changelog
+* Fri Jan 22 2021 Jonathan Wakely <jwakely@redhat.com> - 1:7.0.4.2-5
+- Rebuilt for Boost 1.75
+
 * Fri Jan 15 2021 Caolán McNamara <caolanm@redhat.com> - 1:7.0.4.2-4
 - rebuild for poppler