diff --git a/libetonyek/.signature b/libetonyek/.signature
index 3123922dd..59734fe2c 100644
--- a/libetonyek/.signature
+++ b/libetonyek/.signature
@@ -1,5 +1,6 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF38tg0+xdeZG9W3sA322zL7o05DldiDmXpKPCC2NH2Iu6J0dwq0UMyG8a088aKlLrPwlwtuor5bvE+f7YdBs0jAQ=
-SHA256 (Pkgfile) = 9ff8ac7ef9cd3752bc7e1fc4a36ad85921e0c5f84c2df0a7588a629b95fff6ea
+RWSagIOpLGJF3/GYP/7CFYN7Fz/5z6cgh3bhQ+uIoRW3yb17HJP6SR+M+0R+Y8hAzhmzM9YL6nR/A6VBxFb29QsWB1ibbo//OAE=
+SHA256 (Pkgfile) = 9c1efa4672f572172be07a0a8bd50bb4bff1e4d737bd427fe4eae9c0b96c728d
 SHA256 (.footprint) = 46d39f04e6636a7982c25335c12e465ae0fc81c0d3a42a0f59fe6caa0a91abf7
 SHA256 (libetonyek-0.1.9.tar.xz) = e61677e8799ce6e55b25afc11aa5339113f6a49cff031f336e32fa58635b1a4a
+SHA256 (libetonyek-0.1.9-boost-1.73.patch) = f5adffb233e9844b9c9998214990cc80ce6938f3473d61bd89f11384e9678e6d
diff --git a/libetonyek/Pkgfile b/libetonyek/Pkgfile
index ea2482e24..bc38e950a 100644
--- a/libetonyek/Pkgfile
+++ b/libetonyek/Pkgfile
@@ -5,11 +5,14 @@
 
 name=libetonyek
 version=0.1.9
-release=3
-source=(https://dev-www.libreoffice.org/src/$name/$name-$version.tar.xz)
+release=4
+source=(https://dev-www.libreoffice.org/src/$name/$name-$version.tar.xz
+  libetonyek-0.1.9-boost-1.73.patch)
 
 build() {
   cd $name-$version
+  ## https://gitweb.gentoo.org/repo/gentoo.git/tree/app-text/libetonyek/files/libetonyek-0.1.9-boost-1.73.patch
+  patch -Np1 -i $SRC/libetonyek-0.1.9-boost-1.73.patch
   ./configure --prefix=/usr \
     --with-mdds=1.5 \
     --without-docs
diff --git a/libetonyek/libetonyek-0.1.9-boost-1.73.patch b/libetonyek/libetonyek-0.1.9-boost-1.73.patch
new file mode 100644
index 000000000..2992f9f1a
--- /dev/null
+++ b/libetonyek/libetonyek-0.1.9-boost-1.73.patch
@@ -0,0 +1,12 @@
+diff --git a/src/lib/NUM3Parser.cpp b/src/lib/NUM3Parser.cpp
+index 6dc0e9a..6f8e79e 100644
+--- a/src/lib/NUM3Parser.cpp
++++ b/src/lib/NUM3Parser.cpp
+@@ -7,6 +7,7 @@
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+  */
+ 
++#include <algorithm>
+ #include <functional>
+ 
+ #include "NUM3Parser.h"
\ No newline at end of file