diff --git a/dev-qt/qt6-3d/patches/qt6_3d-6.6.0.patchset b/dev-qt/qt6-3d/patches/qt6_3d-6.6.0.patchset
new file mode 100644
index 000000000..e9532cb38
--- /dev/null
+++ b/dev-qt/qt6-3d/patches/qt6_3d-6.6.0.patchset
@@ -0,0 +1,22 @@
+From f70a455d5f67b151870909a29143e0f921d5bf3f Mon Sep 17 00:00:00 2001
+From: Gerasim Troeglazov <3dEyes@gmail.com>
+Date: Fri, 20 Oct 2023 15:03:32 +1000
+Subject: Fix build
+
+
+diff --git a/src/3rdparty/assimp/src/code/AssetLib/FBX/FBXBinaryTokenizer.cpp b/src/3rdparty/assimp/src/code/AssetLib/FBX/FBXBinaryTokenizer.cpp
+index 3488120..120e47a 100644
+--- a/src/3rdparty/assimp/src/code/AssetLib/FBX/FBXBinaryTokenizer.cpp
++++ b/src/3rdparty/assimp/src/code/AssetLib/FBX/FBXBinaryTokenizer.cpp
+@@ -472,7 +472,7 @@ void TokenizeBinary(TokenList& output_tokens, const char* input, size_t length)
+     }
+     catch (const DeadlyImportError& e)
+     {
+-        if (!is64bits && (length > std::numeric_limits<std::uint32_t>::max())) {
++        if (!is64bits && (length > std::numeric_limits<uint32_t>::max())) {
+             throw DeadlyImportError("The FBX file is invalid. This may be because the content is too big for this older version (", ai_to_string(version), ") of the FBX format. (", e.what(), ")");
+         }
+         throw;
+-- 
+2.42.0
+
diff --git a/dev-qt/qt6-3d/qt6_3d-6.5.0.recipe b/dev-qt/qt6-3d/qt6_3d-6.6.0.recipe
similarity index 97%
rename from dev-qt/qt6-3d/qt6_3d-6.5.0.recipe
rename to dev-qt/qt6-3d/qt6_3d-6.6.0.recipe
index 7b5ba63eb..193b6a613 100644
--- a/dev-qt/qt6-3d/qt6_3d-6.5.0.recipe
+++ b/dev-qt/qt6-3d/qt6_3d-6.6.0.recipe
@@ -10,8 +10,9 @@ LICENSE="GNU LGPL v2.1
 	GNU FDL v1"
 REVISION="1"
 SOURCE_URI="https://download.qt.io/official_releases/qt/${portVersion%.*}/$portVersion/submodules/qt3d-everywhere-src-$portVersion.tar.xz"
-CHECKSUM_SHA256="20b250023244f21dfbec5c007bac805d4494fa463a6dd27538afb1a81b230816"
+CHECKSUM_SHA256="0da87a46217f4d72f6d0de9768605d5325ef3d093f73a5e0d73dd88e99c1fc2a"
 SOURCE_DIR="qt3d-everywhere-src-$portVersion"
+PATCHES="qt6_3d-$portVersion.patchset"
 
 ARCHITECTURES="all !x86_gcc2"
 SECONDARY_ARCHITECTURES="x86"