diff --git a/coin/provisioning/common/unix/libclang.sh b/coin/provisioning/common/unix/libclang.sh
index 5d0b4230..b720fcf7 100755
--- a/coin/provisioning/common/unix/libclang.sh
+++ b/coin/provisioning/common/unix/libclang.sh
@@ -20,33 +20,38 @@ PROVISIONING_DIR="$(dirname "$0")/../../"
 # shellcheck source=./common.sourced.sh
 source "$PROVISIONING_DIR"/common/unix/common.sourced.sh
 
-libclang_version="17.0.6"
+libclang_version="18.1.7"
 
 if uname -a |grep -q Darwin; then
     version=$libclang_version
     url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-mac.7z"
     url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-mac.7z"
-    sha1="e8ecc2fb0d7d7a0f60a50379f16fbf3eef679d78"
+    sha1="9ea511576645ef4abee6d4c27550406e929334d5"
 elif test -f /etc/redhat-release && grep "Red Hat" /etc/redhat-release | grep "9" ; then
     version=$libclang_version
     url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-linux-Rhel9.2-gcc10.0-x86_64.7z"
     url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-linux-Rhel9.2-gcc10.0-x86_64.7z"
-    sha1="102374379af906bd26085fcd18047cac4d0fb7bf"
-elif test "$PROVISIONING_OS_ID" == "ubuntu" ; then
-    version=$libclang_version
-    url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-linux-Ubuntu22.04-gcc11.2-x86_64.7z"
-    url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-linux-Ubuntu22.04-gcc11.2-x86_64.7z"
-    sha1="4a793c9da9a02bd23c163c74dbc5565164a00c3f"
+    sha1="32c29d8df726b035e0a97e767c5c3e392aa331e1"
 elif test "$PROVISIONING_OS_ID" == "debian" && test "$PROVISIONING_ARCH" == "arm64" ; then
     version=$libclang_version
     url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-linux-Debian11.6-gcc10.0-arm64.7z"
     url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-linux-Debian11.6-gcc10.0-arm64.7z"
-    sha1="b5ff982738dbb6efe1a34ed26ff47fca2b1b3b93"
+    sha1="8d876f60c2fe9c55e18fbac0be2acb70bd20d5d1"
+elif test "$PROVISIONING_OS_ID" == "ubuntu" && test "$PROVISIONING_ARCH" == "arm64" ; then
+    version=$libclang_version
+    url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-linux-Ubuntu24.04-gcc11.2-arm64.7z"
+    url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-linux-Ubuntu24.04-gcc11.2-arm64.7z"
+    sha1="5a7bda4fbd2c52ae66557034591d977ba617482c"
+elif test "$PROVISIONING_OS_ID" == "ubuntu" && test "$PROVISIONING_ARCH" == "x86_64" ; then
+    version=$libclang_version
+    url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-linux-Ubuntu22.04-gcc11.2-x86_64.7z"
+    url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-linux-Ubuntu22.04-gcc11.2-x86_64.7z"
+    sha1="b9f8735a148342174d7d763b5475175cd0827441"
 else
     version=$libclang_version
     url="https://download.qt.io/development_releases/prebuilt/libclang/qt/libclang-release_${version}-based-linux-Rhel8.8-gcc10.0-x86_64.7z"
     url_cached="http://ci-files01-hki.ci.qt.io/input/libclang/qt/libclang-release_${version}-based-linux-Rhel8.8-gcc10.0-x86_64.7z"
-    sha1="2a58cc71ad90eb6234c56ef7b141f32361b4312a"
+    sha1="a51c5562c9b071250e7971390d55ef21924271ca"
 fi
 
 zip="/tmp/libclang.7z"
diff --git a/coin/provisioning/common/windows/libclang.ps1 b/coin/provisioning/common/windows/libclang.ps1
index 8e5c6845..103d7cdd 100644
--- a/coin/provisioning/common/windows/libclang.ps1
+++ b/coin/provisioning/common/windows/libclang.ps1
@@ -5,7 +5,7 @@ param(
 )
 . "$PSScriptRoot\helpers.ps1"
 
-$libclang_version="17.0.6"
+$libclang_version="18.1.7"
 Write-Output "libClang = $libclang_version" >> ~/versions.txt
 
 # PySide versions following 5.6 use a C++ parser based on Clang (http://clang.org/).
@@ -38,7 +38,7 @@ $toolchainSuffix = ""
 
 if ( $toolchain -eq "vs2019" ) {
     if ( $archVer -eq 64 ) {
-        $sha1 = "7e3e474081d2e1d5d95c9743532de01b8e59b9aa"
+        $sha1 = "8e0862386caef7e4537599ef980eeb6ebee8767f"
     }
     else {
         $sha1 = ""
@@ -48,7 +48,7 @@ if ( $toolchain -eq "vs2019" ) {
 
 if ( $toolchain -eq "mingw" ) {
     if ( $archVer -eq 64 ) {
-        $sha1 = "b9e65f617cd8d6e8fb8ae734383f03f6a7b202ed"
+        $sha1 = "a23cbb0822cf2eb8d1cecf26e8614ef37a7611e3"
     }
     else {
         $sha1 = ""
@@ -56,9 +56,10 @@ if ( $toolchain -eq "mingw" ) {
     $toolchainSuffix = "mingw"
 }
 
+
 if ( $toolchain -eq "llvm-mingw" ) {
     if ( $archVer -eq 64 ) {
-        $sha1 = "1844f107d067b69deabf375fc024848c1c8b015d"
+        $sha1 = "9c34f99eb575b42c2befe27829c08e6d3f01ae58"
     }
     else {
         $sha1 = ""