freeze markdown version

yosupo06 · yosupo06 · commit c4ccd95adc9f · 2020-10-13T00:27:19.000+09:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
 toml >= 0.10.0
 colorlog >= 4.1.0
-Markdown >= 3.2.1
+Markdown == 3.2.1
 jinja2 >= 2.11.2
