diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 134e59d..c8fe8da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,8 +7,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [16.x, 18.x] # LTS Node: https://nodejs.org/en/about/releases/
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+        # TODO: add back Node 18 once node-canvas is properly supported: https://github.com/Automattic/node-canvas/issues/2025
+        node-version: [16.x] # LTS Node: https://nodejs.org/en/about/releases/
+        os: [ubuntu-latest]
 
     steps:
     - name: Checkout repo