diff --git a/.github/workflows/tests.charlie.yml b/.github/workflows/tests.charlie.yml
index 688db3d9a26..63b3abb171b 100644
--- a/.github/workflows/tests.charlie.yml
+++ b/.github/workflows/tests.charlie.yml
@@ -23,7 +23,7 @@ jobs:
         env:
           CI: true
       - name: Install peer & test dependencies
-        run: "cd packages/charlie && npm install @freesewing/core@^2.16.2 @freesewing/plugin-bundle@^2.16.2 @freesewing/titan@^2.16.2 @freesewing/models@2.16.2 @freesewing/pattern-info@2.16.2 mocha chai"
+        run: "cd packages/charlie && npm install @freesewing/core@^2.16.2 @freesewing/plugin-bundle@^2.16.2 @freesewing/plugin-mirror@^2.16.2 @freesewing/titan@^2.16.2 @freesewing/models@2.16.2 @freesewing/pattern-info@2.16.2 mocha chai"
         env:
           CI: true
       - name: Build pattern
diff --git a/packages/charlie/package.json b/packages/charlie/package.json
index 38e7950f47b..fc2bdf93c93 100644
--- a/packages/charlie/package.json
+++ b/packages/charlie/package.json
@@ -36,6 +36,7 @@
   "peerDependencies": {
     "@freesewing/core": "^2.16.2",
     "@freesewing/plugin-bundle": "^2.16.2",
+    "@freesewing/plugin-mirror": "^2.16.2",
     "@freesewing/titan": "^2.16.2"
   },
   "dependencies": {},