diff --git a/README.md b/README.md
index e64a5f4..90f4ca8 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ After creating a Mudlet profile to connect to LOTJ, do the following to add the
 
 ## Contributing
 
-The source for this package is structured to use [muddler](https://github.com/demonnic/muddler) to package it into a Mudlet package.
+The source for this package is structured to use [muddler](https://github.com/demonnic/muddler) to package it into a Mudlet package. Using version 0.1 is necessary at this time due to some errant behavior by later Muddler versions.
 
 You can, of course, just modify the triggers/aliases/scripts directly within Mudlet if you want to test local changes, but they'll be overwritten if you want to update to future versions of this package.
 
@@ -64,7 +64,7 @@ To change the source for this package, modify the JSON files and associated Lua
 If you have Docker set up, it can be easiest to run a command like this to regenerate the package, from the root of the repository:
 
 ```
-docker run --rm -it -u $(id -u):$(id -g) -v $PWD:/$PWD -w /$PWD demonnic/muddler
+docker run --rm -it -u $(id -u):$(id -g) -v $PWD:/$PWD -w /$PWD demonnic/muddler:0.1
 ```
 
 If that's a pain, just make a pull request and someone else can generate the package with your changes to make sure they work.