diff --git a/.python-version b/.python-version
new file mode 100644
index 0000000..98fccd6
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.8
\ No newline at end of file
diff --git a/README.md b/README.md
index d9334af..0b29876 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
 ## Description ##
 
-A Sublime Text 3 plugin to move the cursor to next/previous line at the same indentation level as the current line.
+A Sublime Text 3/4 plugin to move the cursor to next/previous line at the same indentation level as the current line.
 
 There are two commands: `jump_next_indent` and `jump_prev_indent`.