diff --git a/webmin/lang/en b/webmin/lang/en
index 3d6f56f95..80e75daea 100644
--- a/webmin/lang/en
+++ b/webmin/lang/en
@@ -1115,6 +1115,8 @@ letsencrypt_title=Let's Encrypt Certificate Request
 letsencrypt_err=Failed to request certificate
 letsencrypt_ecmds=Neither the Let's Encrypt client command <tt>letsencrypt-auto</tt> or the <tt>python</tt> command were found on your system
 letsencrypt_epythonmod=The Python module $1 needed by the built-in Let's Encrypt client is not installed
+letsencrypt_epythonver=Failed to get the Python version : $1
+letsencrypt_epythonver2=Python version $1 or above is required, but you only have version $2.
 letsencrypt_edroot=The Apache virtual host $1 has no document directory!
 letsencrypt_edom=Missing or invalid domain name
 letsencrypt_erenew=Missing or non-numeric renewal interval
diff --git a/webmin/letsencrypt-lib.pl b/webmin/letsencrypt-lib.pl
index 9961756b0..c89320698 100755
--- a/webmin/letsencrypt-lib.pl
+++ b/webmin/letsencrypt-lib.pl
@@ -39,6 +39,15 @@ my $out = &backquote_command("$python -c 'import argparse' 2>&1");
 if ($?) {
 	return &text('letsencrypt_epythonmod', 'argparse');
 	}
+my $ver = &backquote_command("$python --version 2>&1");
+if ($ver !~ /Python\s+([0-9\.]+)/) {
+	return &text('letsencrypt_epythonver',
+		     "<tt>".&html_escape($out)."</tt>");
+	}
+$ver = $1;
+if ($ver < 2.5) {
+	return &text('letsencrypt_epythonver2', '2.5', $ver);
+	}
 return undef;
 }