diff --git a/repos/hlrs/packages/mpip/enable-python2-python3.patch b/repos/hlrs/packages/mpip/enable-python2-python3.patch
new file mode 100644
index 0000000..659f80d
--- /dev/null
+++ b/repos/hlrs/packages/mpip/enable-python2-python3.patch
@@ -0,0 +1,56 @@
+--- mpiP-3.5/configure	2020-10-22 01:55:22.000000000 +0200
++++ spack-src/configure	2024-06-14 16:38:45.496623714 +0200
+@@ -3420,8 +3420,10 @@
+    AR=ar
+ fi
+ 
+-# Extract the first word of "python", so it can be a program name with args.
+-set dummy python; ac_word=$2
++for ac_prog in python python3 python2
++do
++  # Extract the first word of "$ac_prog", so it can be a program name with args.
++set dummy $ac_prog; ac_word=$2
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+ $as_echo_n "checking for $ac_word... " >&6; }
+ if ${ac_cv_prog_HAVE_PYTHON+:} false; then :
+@@ -3437,7 +3439,7 @@
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+   if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+-    ac_cv_prog_HAVE_PYTHON="python"
++    ac_cv_prog_HAVE_PYTHON="$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+   fi
+@@ -3445,7 +3447,6 @@
+   done
+ IFS=$as_save_IFS
+ 
+-  test -z "$ac_cv_prog_HAVE_PYTHON" && ac_cv_prog_HAVE_PYTHON="no"
+ fi
+ fi
+ HAVE_PYTHON=$ac_cv_prog_HAVE_PYTHON
+@@ -3458,10 +3459,15 @@
+ fi
+ 
+ 
++  test -n "$HAVE_PYTHON" && break
++done
++test -n "$HAVE_PYTHON" || HAVE_PYTHON="no"
++
+ if test "x$HAVE_PYTHON" == "xno" ; then
+   as_fn_error $? "Python is required to build mpiP." "$LINENO" 5
+ fi
+ 
++
+ TEST_LIST=
+ 
+ #  Test for available compilers
+@@ -7604,6 +7610,7 @@
+ echo "  C compiler               : ${CC}"
+ echo "  C++ compiler             : ${CXX}"
+ echo "  Fortran compiler         : ${F77}"
++echo "  Python                   : ${HAVE_PYTHON}"
+ echo
+ echo "  Timer                    : ${TIMER_NAME}"
+ echo "  Stack Unwinding          : ${UNWIND_WITH}"
diff --git a/repos/hlrs/packages/mpip/package.py b/repos/hlrs/packages/mpip/package.py
index c7628f0..a81591e 100644
--- a/repos/hlrs/packages/mpip/package.py
+++ b/repos/hlrs/packages/mpip/package.py
@@ -16,7 +16,7 @@ class Mpip(AutotoolsPackage):
 
     license("Unlicense")
 
-    version("master", branch="master")
+    version("main", branch="main")
     version("3.5", sha256="e366843d53fa016fb03903e51c8aac901aa5155edabe64698a8d6fa618a03bbd")
 
     variant("demangling", default=True, description="Build with demangling support")
@@ -62,6 +62,15 @@ class Mpip(AutotoolsPackage):
     #  '+setjmp' adds '--disable-libunwind' to the confiure args
     depends_on("unwind", when="+libunwind ~setjmp")
 
+    # patch to find python3 or python2 for mpip@3.5
+    patch("enable-python2-python3.patch", when="@3.5")
+    #patch("https://github.com/LLNL/mpiP/commit/8485ec75bb2465a8c23cbc0c435d28b879b19631.patch", 
+    #    sha256="c3ce232cae65336151fd956cfb10f54c86ed762603e30b8eeaa89eff83df3efa",
+    #    when="@3.5")
+    patch("https://github.com/LLNL/mpiP/pull/41/commits/5db0838604a9de6037b808f3011bda46aa0911dc.patch",
+          sha256="ac21423015a4ca80ccd1d2ce50b2c32cf74e936e1511996cd73f62dc00cfc4e1",
+          when="@3.5")
+
     def configure_args(self):
         spec = self.spec