diff --git a/mingw-w64-libsbml/01-cast-to-long.patch b/mingw-w64-libsbml/01-cast-to-long.patch
deleted file mode 100644
index caf12a06dc..0000000000
--- a/mingw-w64-libsbml/01-cast-to-long.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- libsbml-5.18.0/src/sbml/math/FormulaParser.cpp.orig	2019-11-11 21:41:57.046424400 +0300
-+++ libsbml-5.18.0/src/sbml/math/FormulaParser.cpp	2019-11-11 21:42:30.568341700 +0300
-@@ -417,7 +417,7 @@
- 
-   while (1)
-   {
--    state  = (long) Stack_peek(stack);
-+    state  = (long)(intptr_t) Stack_peek(stack);
-     action = FormulaParser_getAction(state, token);
- 
-     if (action == ACCEPT_STATE)
-@@ -460,7 +460,7 @@
-     {
-       rule  = -action;
-       node  = FormulaParser_reduceStackByRule(stack, rule);
--      state = (long) Stack_peek(stack);
-+      state = (long)(intptr_t) Stack_peek(stack);
- 
-       Stack_push( stack, node );
-       Stack_push( stack, (void *) FormulaParser_getGoto(state, rule) );
diff --git a/mingw-w64-libsbml/02-install-layout.patch b/mingw-w64-libsbml/02-install-layout.patch
index b92cf7743a..aacdec0af6 100644
--- a/mingw-w64-libsbml/02-install-layout.patch
+++ b/mingw-w64-libsbml/02-install-layout.patch
@@ -36,6 +36,6 @@
  set(PYTHON_PACKAGE_INSTALL_DIR)
 -if (UNIX OR CYGWIN) 
 +if (UNIX OR CYGWIN OR MINGW) 
-     execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "import sys;import platform; sys.stdout.write(platform.python_version()[:3])"
+     execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "import sys; sys.stdout.write('{}.{}'.format(*sys.version_info[:2]))"
          OUTPUT_VARIABLE PYTHON_VERSION)
      set(PYTHON_PACKAGE_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION}/site-packages)
diff --git a/mingw-w64-libsbml/PKGBUILD b/mingw-w64-libsbml/PKGBUILD
index 677e2f6719..313a8ab143 100644
--- a/mingw-w64-libsbml/PKGBUILD
+++ b/mingw-w64-libsbml/PKGBUILD
@@ -3,28 +3,25 @@
 _realname=libsbml
 pkgbase="mingw-w64-${_realname}"
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=5.18.0
+pkgver=5.19.0
 pkgrel=1
 pkgdesc="A file format for exchanging computational models in systems biology (mingw-w64)"
 arch=('any')
 license=("custom")
 url="http://sbml.org/Software/libSBML/"
 source=("http://sourceforge.net/projects/sbml/files/libsbml/${pkgver}/stable/libSBML-${pkgver}-core-plus-packages-src.tar.gz"
-        01-cast-to-long.patch
         02-install-layout.patch)
-sha256sums=('6c01be2306ec0c9656b59cb082eb7b90176c39506dd0f912b02e08298a553360'
-            '2fa6e8d32818645cc42169d39d1e1d50764cc023ece438cdc1d4234e866e085d'
-            'a53fa04481ec72348c5d23a12b395d9908cd4f996911dc046a6f926d1d34777d')
+sha256sums=('a7f0e18be78ff0e064e4cdb1cd86634d08bc33be5250db4a1878bd81eeb8b547'
+            'c007b7fec2d95a76600aa34eb62aec9bc44bdbeb228818d6d3f3e789a2cd8a9f')
 depends=("${MINGW_PACKAGE_PREFIX}-libxml2")
 makedepends=("${MINGW_PACKAGE_PREFIX}-gcc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
-             "${MINGW_PACKAGE_PREFIX}-python3"
+             "${MINGW_PACKAGE_PREFIX}-python"
              "${MINGW_PACKAGE_PREFIX}-pkg-config")
 options=('staticlibs' 'strip')
 
 prepare() {
   cd "${srcdir}/${_realname}-${pkgver}-Source"
-  patch -p1 -i ${srcdir}/01-cast-to-long.patch
   patch -p1 -i ${srcdir}/02-install-layout.patch
 }