diff --git a/biology/py-libsedml/files/patch-CMakeLists.txt b/biology/py-libsedml/files/patch-CMakeLists.txt
index 0a8f6e634f59..ec9da0ad9c7a 100644
--- a/biology/py-libsedml/files/patch-CMakeLists.txt
+++ b/biology/py-libsedml/files/patch-CMakeLists.txt
@@ -1,4 +1,4 @@
---- CMakeLists.txt.orig	2021-09-19 17:41:37 UTC
+--- CMakeLists.txt.orig	2021-09-07 06:43:55 UTC
 +++ CMakeLists.txt
 @@ -49,6 +49,7 @@ ADD_CUSTOM_COMMAND(  
      OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/libsedml_wrap.cpp
@@ -20,3 +20,12 @@
  endif()
  
  # 
+@@ -135,7 +136,7 @@ endif()
+ #
+ set(PYTHON_PACKAGE_INSTALL_DIR)
+ if (UNIX OR CYGWIN) 
+-  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;import platform; sys.stdout.write(platform.python_version().rsplit('.', 1)[0])"
+     OUTPUT_VARIABLE PYTHON_VERSION)
+   set(PYTHON_PACKAGE_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION}/site-packages)
+ else()