diff --git a/libcmis/.signature b/libcmis/.signature
index 920ab86e2..ad2550625 100644
--- a/libcmis/.signature
+++ b/libcmis/.signature
@@ -1,5 +1,6 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF32zTl+t32bPQMtKKlODCuOEcveC3PZTPbwCLXg9kRGn7jCi1Ixa/LRMl6FrrY/8O9aBW0bHR6K6BCc3MgbIHOQs=
-SHA256 (Pkgfile) = a5c5b41e834c39262343e860de9907dcb0cad453a172687f76e25bcc64fa7b3c
+RWSagIOpLGJF37B/1Xo+Eky8wLm8QZYgXzLEs74dZALNmE0LBA8Cx5QiZESH5WYE9+ayarIbLU8r8X7vUfFNuMqxbbXPtZDvEgA=
+SHA256 (Pkgfile) = ab07af9a443b3293d4b295325ff00abe769de8b802e80c31de228b810cd96f57
 SHA256 (.footprint) = 77c5d2836111d3b801aa2e5d746ac78e21083ab4165d0d0f4b6b7a48cd8ab731
 SHA256 (libcmis-0.6.2.tar.gz) = f89d871f14de3180fa5a122ab1209fc397f3abeea182db936ca1d81970be1ff0
+SHA256 (libxml2-2.12.patch) = ac3f846139ce8548256711304d85fa56bb7531a45582883cfcfa560601461588
diff --git a/libcmis/Pkgfile b/libcmis/Pkgfile
index 352665986..36b2449d7 100644
--- a/libcmis/Pkgfile
+++ b/libcmis/Pkgfile
@@ -5,12 +5,15 @@
 
 name=libcmis
 version=0.6.2
-release=1
-source=(https://github.com/tdf/libcmis/releases/download/v${version}/$name-$version.tar.gz)
+release=2
+source=(https://github.com/tdf/libcmis/releases/download/v${version}/$name-$version.tar.gz
+  libxml2-2.12.patch)
 
 build() {
   cd $name-$version
 
+  patch -Np1 -i $SRC/libxml2-2.12.patch
+
   ./configure --prefix=/usr \
     --disable-werror \
     --with-man=no
diff --git a/libcmis/libxml2-2.12.patch b/libcmis/libxml2-2.12.patch
new file mode 100644
index 000000000..b9a9faf6c
--- /dev/null
+++ b/libcmis/libxml2-2.12.patch
@@ -0,0 +1,23 @@
+From 72618e63433c7243e4d9e79a638f19a09402eecc Mon Sep 17 00:00:00 2001
+From: Andreas Sturmlechner <asturm@gentoo.org>
+Date: Tue, 21 Nov 2023 23:10:07 +0100
+Subject: [PATCH] Fix build with libxml2-2.12 (missing include)
+
+See also: https://github.com/tdf/libcmis/issues/51
+Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
+---
+ inc/libcmis/xml-utils.hxx | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/inc/libcmis/xml-utils.hxx b/inc/libcmis/xml-utils.hxx
+index 929385e1..9bd99aed 100644
+--- a/inc/libcmis/xml-utils.hxx
++++ b/inc/libcmis/xml-utils.hxx
+@@ -34,6 +34,7 @@
+ #include <string>
+ 
+ #include <boost/date_time.hpp>
++#include <libxml/parser.h>
+ #include <libxml/tree.h>
+ #include <libxml/xpathInternals.h>
+ #include <libxml/xmlwriter.h>