diff --git a/.gitignore b/.gitignore
index c89ecb7..618f9a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.pyc
 
 build_artifacts
+.vscode
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 662aceb..2bed1e0 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,4 +1,4 @@
-{% set version = "5.5.2" %}
+{% set version = "5.5.3" %}
 
 package:
   name: cgal-cpp
@@ -6,7 +6,10 @@ package:
 
 source:
   url: https://github.com/CGAL/cgal/releases/download/v{{ version }}/CGAL-{{ version }}.tar.xz
-  sha256: b2b05d5616ecc69facdc24417cce0b04fb4321491d107db45103add520e3d8c3
+  sha256: 0a04f662693256328b05babfabb5e3a5b7db2f5a58d52e3c520df9d0828ddd73
+  patches:
+    - pr7635.patch
+      # upstream patch from https://github.com/CGAL/cgal/pull/7635
 
 build:
   number: 0
diff --git a/recipe/pr7635.patch b/recipe/pr7635.patch
new file mode 100644
index 0000000..fcb26a6
--- /dev/null
+++ b/recipe/pr7635.patch
@@ -0,0 +1,24 @@
+diff --git a/Number_types/include/CGAL/boost_mp.h b/Number_types/include/CGAL/boost_mp.h
+index 3dcaadcad21..b98980acbc5 100644
+--- a/Number_types/include/CGAL/boost_mp.h
++++ b/Number_types/include/CGAL/boost_mp.h
+@@ -20,8 +20,18 @@
+ // easy solution.
+ // MSVC had trouble with versions <= 1.69:
+ // https://github.com/boostorg/multiprecision/issues/98
++//
++// Disable also on Windows 32 bits
++// because CGAL/cpp_float.h assumes _BitScanForward64 is available
++// See https://learn.microsoft.com/en-us/cpp/intrinsics/bitscanforward-bitscanforward64
++//
++// Disable also with PowerPC processors, with Boost<1.80 because of that bug:
++// https://github.com/boostorg/multiprecision/pull/421
++//
+ #if !defined CGAL_DO_NOT_USE_BOOST_MP && \
+-    (!defined _MSC_VER || BOOST_VERSION >= 107000)
++    (!defined _MSC_VER || BOOST_VERSION >= 107000) && \
++    (!defined _WIN32 || defined _WIN64) && \
++    (BOOST_VERSION >= 108000 || (!defined _ARCH_PPC && !defined _ARCH_PPC64))
+ #define CGAL_USE_BOOST_MP 1
+ 
+ #include <CGAL/Quotient.h>