diff --git a/graphviz-2.49.1-python3-3.7.10.patch b/graphviz-2.49.1-python3-3.7.10.patch
new file mode 100644
index 0000000..b624fae
--- /dev/null
+++ b/graphviz-2.49.1-python3-3.7.10.patch
@@ -0,0 +1,11 @@
+--- graphviz-2.49.1/configure.ac.orig	2021-10-04 10:51:16.579411906 +0200
++++ graphviz-2.49.1/configure.ac	2021-10-04 10:51:26.473594056 +0200
+@@ -1185,7 +1185,7 @@
+ 	use_python="No (python is too old)"
+       else
+         PYTHON_PREFIX=`$PYTHON -c "import sys; print(sys.prefix)"`
+-        PYTHON_INCLUDES=-I$PYTHON_PREFIX/include/python$PYTHON_VERSION
++        PYTHON_INCLUDES=-I$PYTHON_PREFIX/include/python${PYTHON_VERSION}m
+ 	PYTHON_LIBS="-undefined dynamic_lookup"
+         PYTHON_INSTALL_DIR="`$PYTHON -c 'from distutils import sysconfig; print(sysconfig.get_python_lib(1,0))'`"
+         save_CPPFLAGS=$CPPFLAGS
diff --git a/graphviz.spec b/graphviz.spec
index 76517d8..aee4cbb 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -1,7 +1,7 @@
 %define        libname  lib%{name}
 
 Name:          graphviz
-Version:       2.49.0
+Version:       2.49.1
 Release:       1mamba
 Summary:       Graph Visualization Tools
 Group:         Applications/Graphics
@@ -18,10 +18,9 @@ Patch3:        graphviz-2.30.1-guile-2.patch
 Patch4:        graphviz-2.30.1-ruby-2.patch
 Patch5:        graphviz-2.38.0-ghostscript-9.19.patch
 Patch6:        graphviz-2.38.0-lua-5.3.patch
+Patch7:        graphviz-2.49.1-python3-3.7.10.patch
 License:       Common Public Attribution License 1.0
 ## AUTOBUILDREQ-BEGIN
-#libdl.so.2()(64bit): /usr/lib64/libdl.so: file not owned by any package
-#librt.so.1()(64bit): /usr/lib64/librt.so: file not owned by any package
 BuildRequires: glibc-devel
 BuildRequires: libGLU-devel
 BuildRequires: libICE-devel
@@ -91,7 +90,7 @@ BuildRequires: libxcb-devel
 BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 BuildRequires: libzstd-devel
-BuildRequires: ocaml-runtime
+BuildRequires: ocaml
 BuildRequires: perl-devel
 ## AUTOBUILDREQ-END
 BuildRequires: ocaml-runtime >= 4.11.1
@@ -250,6 +249,7 @@ This package contains the documentation of %{name} in HTML and pdf formats.
 #%patch4 -p1
 %patch5 -p1
 %patch6 -p1
+%patch7 -p1
 
 ./autogen.sh
 
@@ -261,7 +261,7 @@ This package contains the documentation of %{name} in HTML and pdf formats.
    --enable-ruby \
    --disable-php \
    LDFLAGS="-ltermcap" \
-   PYTHON=%{__python}
+   PYTHON=%{__python3}
 
 %make
 
@@ -329,15 +329,11 @@ exit 0
 %{_libdir}/graphviz/python/gv.py
 %{_libdir}/graphviz/python/libgv_python.la
 %{_libdir}/graphviz/python/libgv_python.so
-#%{_libdir}/graphviz/python2/_gv.so
-#%{_libdir}/graphviz/python2/gv.py
-#%{_libdir}/graphviz/python2/libgv_python2.la
-#%{_libdir}/graphviz/python2/libgv_python2.so
 %{_libdir}/graphviz/python3/_gv.so
 %{_libdir}/graphviz/python3/gv.py
 %{_libdir}/graphviz/python3/libgv_python3.la
 %{_libdir}/graphviz/python3/libgv_python3.so
-%{python_sitearch}/*
+#%{python_sitearch}/*
 %{python3_sitearch}/*
 
 %ifnarch arm
@@ -468,6 +464,9 @@ exit 0
 %{_datadir}/%{name}/doc/pdf/*
 
 %changelog
+* Tue Oct 05 2021 Automatic Build System <autodist@mambasoft.it> 2.49.1-1mamba
+- automatic version update by autodist
+
 * Sun Aug 29 2021 Automatic Build System <autodist@mambasoft.it> 2.49.0-1mamba
 - automatic version update by autodist