diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 2d0298c..bb6eb73 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -10,14 +10,14 @@ jobs:
       with:
         fetch-depth: 1
     - name: apt
-      run: sudo apt install cpmtools bazel-bootstrap flex bison libreadline-dev
+      run: sudo apt install cpmtools bazel-bootstrap flex bison libreadline-dev libz80ex-dev
     - name: build-ack
       run: |
         git clone --depth=1 https://github.com/davidgiven/ack.git
         make -C ack PREFIX=$HOME +ack-cpm
         make -C ack PREFIX=$HOME install
     - name: make
-      run: PATH=$PATH:$HOME/bin make verbose
+      run: PATH=$PATH:$HOME/bin make
 
   build-macos:
     runs-on: macos-latest
@@ -26,7 +26,7 @@ jobs:
       with:
         fetch-depth: 1
     - name: brew
-      run: brew install pkg-config bazelisk cpmtools truncate
+      run: brew install pkg-config bazelisk cpmtools truncate libz80ex
     - name: build-ack
       run: |
         git clone --depth=1 https://github.com/davidgiven/ack.git