diff --git a/ThirdParty/.gitignore b/ThirdParty/.gitignore
index 9d973c47..5aa94111 100644
--- a/ThirdParty/.gitignore
+++ b/ThirdParty/.gitignore
@@ -1,3 +1,3 @@
-cvode-6.4.1/
-libxml2-2.10.3/
-zlib-1.3/
+cvode-*/
+libxml2-*/
+zlib-*/
diff --git a/ThirdParty/build_libxml2.py b/ThirdParty/build_libxml2.py
index c0a56c2e..9a76614d 100644
--- a/ThirdParty/build_libxml2.py
+++ b/ThirdParty/build_libxml2.py
@@ -6,14 +6,14 @@
 from fmpy import extract
 
 
-archive = download_file('https://github.com/GNOME/libxml2/archive/refs/tags/v2.10.3.zip',
-                        checksum='098b62c128e8a9c766fb1cd93902c939960b7a9263d7612588960e7b672d7064')
+archive = download_file('https://github.com/GNOME/libxml2/archive/refs/tags/v2.11.5.zip',
+                        checksum='711675470075cc85ba450f56aff7424f1ecdef00bc5d1d5dced3ffecd1a9b772')
 
 root = Path(__file__).parent
 
 extract(archive, root)
 
-build_dir = root / 'libxml2-2.10.3' / 'build'
+build_dir = root / 'libxml2-2.11.5' / 'build'
 
 install_prefix = build_dir / 'install'
 
@@ -36,7 +36,8 @@
     '-D', 'LIBXML2_WITH_LZMA=OFF',
     '-D', 'LIBXML2_WITH_PYTHON=OFF',
     '-D', 'LIBXML2_WITH_ZLIB=OFF',
-    root / 'libxml2-2.10.3']
+    '-D', 'LIBXML2_WITH_TESTS=OFF',
+    root / 'libxml2-2.11.5']
 )
 
 check_call([
diff --git a/fmusim/CMakeLists.txt b/fmusim/CMakeLists.txt
index 8313f1a0..d3f794bc 100644
--- a/fmusim/CMakeLists.txt
+++ b/fmusim/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.17)
 
 set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded)
 
-set(LIBXML2_DIR  ${CMAKE_SOURCE_DIR}/ThirdParty/libxml2-2.10.3/build/install/)
+set(LIBXML2_DIR  ${CMAKE_SOURCE_DIR}/ThirdParty/libxml2-2.11.5/build/install/)
 set(ZLIB_DIR     ${CMAKE_SOURCE_DIR}/ThirdParty/zlib-1.3/build/install/)
 set(ZLIB_SRC_DIR ${CMAKE_SOURCE_DIR}/ThirdParty/zlib-1.3/)
 set(CVODE_DIR    ${CMAKE_SOURCE_DIR}/ThirdParty/cvode-6.4.1/build/install/)