2 files changed, 4 insertions, 4 deletions
diff --git a/README.md b/README.md
index 4a1bbee5..3d23f7ef 100644
--- a/README.md
+++ b/README.md
@@ -90,11 +90,11 @@ If you to want to startup python, use the following command:
 If you build stuff using MacPorts on macOS, as I do, here is what you would
 run:
 
-    $ sudo port install -f cmake python26 \
+    $ sudo port install -f cmake python37 \
          libiconv zlib gmp \
          mpfr ncurses ncursesw \
          gettext libedit boost-jam \
-         boost +st+python26+icu texlive doxygen graphviz \
+         boost +st+python37+icu texlive doxygen graphviz \
          texinfo lcov sloccount
 
 ### Conda
diff --git a/acprep b/acprep
index 27b1f40e..af706140 100755
--- a/acprep
+++ b/acprep
@@ -57,7 +57,7 @@ class BoostInfo(object):
             return [ 'boost' ]
 
         if system in ['darwin-macports']:
-            return [ 'boost-jam', 'boost', '+python27' ]
+            return [ 'boost-jam', 'boost', '+python37' ]
 
         if system in ['centos']:
             return [ 'boost-devel' ]
@@ -510,7 +510,7 @@ class PrepareBuild(CommandLineApp):
                 packages = [
                     'sudo', 'port', 'install', '-f',
                     'automake', 'autoconf', 'libtool',
-                    'python27',
+                    'python37',
                     'libiconv',
                     'zlib',
                     'gmp', 'mpfr',