diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index f319f80c..a50862ff 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -36,10 +36,10 @@ jobs:
     # just a little lossily (is that a word?)
     - name: Optimize processed images
       run: |
-        sudo apt-get install -y --no-install-recommends pngquant jpegoptim
+        sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends pngquant jpegoptim
         cd $HOME/gh-pages/notes
-        find . -iname "*.jp*" -print0 | xargs -0 jpegoptim --max=90 --strip-all
-        find . -iname "*.png" -print0 | xargs -0 pngquant --quality=60-75 --speed 1 --ext=.png --force --verbose
+        find . -iname "*.jp*" -print0 | xargs -0 jpegoptim --max=80 --strip-all
+        find . -iname "*.png" -print0 | xargs -0 pngquant --quality=60-70 --speed 1 --ext=.png --force --verbose
 
     # Initialize a sub-repository in the new gh-pages directory and
     # add jakejarvis/jakejarvis.github.io as a remote.