Just download the latest version from GitHub repository and install the model.
git clone https://github.com/squix78/esp8266-fritzing-parts
Cloning into 'esp8266-fritzing-parts'...
remote: Counting objects: 35, done.
remote: Total 35 (delta 0), reused 0 (delta 0), pack-reused 35
Unpacking objects: 100% (35/35), done.
Checking connectivity... done.
Then go to “mine” tab in the Part window in Fritzing and import the model from the menu by pointing to the model you’ve just downloaded