diff --git a/SRC_engines/include/epanet2.h b/SRC_engines/include/epanet2.h
index 19c9c67..97fce76 100644
--- a/SRC_engines/include/epanet2.h
+++ b/SRC_engines/include/epanet2.h
@@ -36,20 +36,18 @@ function in epanet2_2.h.
   #define EN_API_FLOAT_TYPE float
 #endif
 
-#ifndef DLLEXPORT
-  #ifdef _WIN32
-    #ifdef epanet2_EXPORTS
-      #define DLLEXPORT __declspec(dllexport) __stdcall
-    #else
-      #define DLLEXPORT __declspec(dllimport) __stdcall
-    #endif
-  #elif defined(__CYGWIN__)
-    #define DLLEXPORT __stdcall
-  #else
-    #define DLLEXPORT
-  #endif
+
+// --- define WINDOWS
+
+#undef WINDOWS
+#ifdef _WIN32
+  #define WINDOWS
+#endif
+#ifdef __WIN32__
+  #define WINDOWS
 #endif
 
+#include "epanet2_export.h"
 #include "epanet2_enums.h"
 
 // --- Declare the EPANET toolkit functions
diff --git a/SRC_engines/include/epanet2_2.h b/SRC_engines/include/epanet2_2.h
index cbfece3..adb0b9e 100644
--- a/SRC_engines/include/epanet2_2.h
+++ b/SRC_engines/include/epanet2_2.h
@@ -18,24 +18,8 @@
 #ifndef EPANET2_2_H
 #define EPANET2_2_H
 
-#ifdef epanet_py_EXPORTS
-  #define DLLEXPORT
-#else
-  #ifndef DLLEXPORT
-    #ifdef _WIN32
-      #ifdef epanet2_EXPORTS
-        #define DLLEXPORT __declspec(dllexport) __stdcall
-      #else
-        #define DLLEXPORT __declspec(dllimport) __stdcall
-      #endif
-    #elif defined(__CYGWIN__)
-      #define DLLEXPORT __stdcall
-    #else
-      #define DLLEXPORT
-    #endif
-  #endif
-#endif
 
+#include "epanet2_export.h"
 #include "epanet2_enums.h"
 
 // --- Declare the EPANET toolkit functions
diff --git a/SRC_engines/src/solver/CMakeLists.txt b/SRC_engines/src/solver/CMakeLists.txt
index 5e05922..67aff90 100644
--- a/SRC_engines/src/solver/CMakeLists.txt
+++ b/SRC_engines/src/solver/CMakeLists.txt
@@ -73,6 +73,19 @@ target_include_directories(epanet2
         $<INSTALL_INTERFACE:${INCLUDE_DIST}>
 )
 
+include(GenerateExportHeader)
+generate_export_header(epanet2
+    BASE_NAME epanet2
+    EXPORT_MACRO_NAME DLLEXPORT
+    EXPORT_FILE_NAME epanet2_export.h
+    STATIC_DEFINE SHARED_EXPORTS_BUILT_AS_STATIC
+)
+
+file(COPY ${CMAKE_CURRENT_BINARY_DIR}/epanet2_export.h
+    DESTINATION ${PROJECT_SOURCE_DIR}/include
+)
+
+
 if(APPLE)
     set(LIB_ROOT "@loader_path")
 else()
diff --git a/SRC_engines/src/solver/version.h b/SRC_engines/src/solver/version.h
index d816303..2eec942 100644
--- a/SRC_engines/src/solver/version.h
+++ b/SRC_engines/src/solver/version.h
@@ -22,12 +22,12 @@
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       2
 #define VERSION_PATCH       0
-#define GIT_HASH            "5480e100e626b479a866da4bdd867f69400b4e31"
+#define GIT_HASH            "c2224b3c1a85ec9f35cca1f6ddfec3d4bdf6465c"
 
 #define PLATFORM            "Windows"
 #define COMPILER            "MSVC"
 #define COMPILER_VERSION    "19.37.32825.0"
-#define BUILD_ID            "2023-11-13T22:04:14Z"
+#define BUILD_ID            "2023-11-15T13:41:19Z"
 
 
 static inline int get_version_legacy() { \