diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index be8e5c5..0afb474 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -40,7 +40,7 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     env:
-      CXXFLAGS: ${{ matrix.cxxflags }} /D_WIN32_WINNT=0x0601 /DWIN32_LEAN_AND_MEAN=1 /DNOMINMAX=1 /D_FILE_OFFSET_BITS=64 /DBOOST_ALL_NO_LIB /EHsc /bigobj
+      CXXFLAGS: ${{ matrix.cxxflags }} /D_WIN32_WINNT=0x0A00 /DWIN32_LEAN_AND_MEAN=1 /D_FILE_OFFSET_BITS=64 /DBOOST_ALL_NO_LIB /EHsc /bigobj
       LDFLAGS: ${{ matrix.ldflags }}
       CMAKE_BUILD_PARALLEL_LEVEL: 4
   
@@ -164,7 +164,7 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     env:
-      CXXFLAGS: ${{ matrix.cxxflags }} /D_WIN32_WINNT=0x0601 /DWIN32_LEAN_AND_MEAN=1 /DNOMINMAX=1 /D_FILE_OFFSET_BITS=64 /DBOOST_ALL_NO_LIB /EHsc /bigobj
+      CXXFLAGS: ${{ matrix.cxxflags }} /D_WIN32_WINNT=0x0A00 /DWIN32_LEAN_AND_MEAN=1 /D_FILE_OFFSET_BITS=64 /DBOOST_ALL_NO_LIB /EHsc /bigobj
       LDFLAGS: ${{ matrix.ldflags }}
   
     steps:
diff --git a/include/boost/mqtt5/impl/assemble_op.hpp b/include/boost/mqtt5/impl/assemble_op.hpp
index 4cb9be9..0138f23 100644
--- a/include/boost/mqtt5/impl/assemble_op.hpp
+++ b/include/boost/mqtt5/impl/assemble_op.hpp
@@ -194,7 +194,7 @@ private:
     }
 
     uint32_t max_recv_size() const {
-        return std::min(
+        return (std::min)(
             _svc.connect_property(prop::maximum_packet_size)
                 .value_or(default_max_recv_size),
             static_cast<uint32_t>(default_max_send_size)
diff --git a/test/integration/read_message.cpp b/test/integration/read_message.cpp
index 5fd9c90..8961866 100644
--- a/test/integration/read_message.cpp
+++ b/test/integration/read_message.cpp
@@ -294,7 +294,7 @@ BOOST_DATA_TEST_CASE_F(
         0, topic, payload1, qos_e::at_most_once, retain_e::no, dup_e::no, {}
     );
 
-    const uint32_t max_packet_size = std::max(
+    const uint32_t max_packet_size = (std::max)(
         publish1.size(),
         publish1.size() * max_packet_size_multiplier + max_packet_size_offset
     );