diff --git a/doc/INSTALL.md b/doc/INSTALL.md
index 42e2e5081..bec63e75d 100644
--- a/doc/INSTALL.md
+++ b/doc/INSTALL.md
@@ -40,7 +40,7 @@ Get dependencies:
       autoconf automake build-essential git libtool libgmp-dev libsqlite3-dev \
       python3 python3-mako python3-pip net-tools zlib1g-dev libsodium-dev \
       gettext
-    pip3 install --user mrkd
+    pip3 install --user mrkd mistune==0.8.4
 
 If you don't have Bitcoin installed locally you'll need to install that
 as well. It's now available via [snapd](https://snapcraft.io/bitcoin-core).