diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 705508f..0f8f734 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -51,7 +51,7 @@ jobs:
       # https://github.com/r-lib/actions/tree/v2/setup-r-dependencies
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::rcmdcheck, any::Matrix, any::lme4
+          extra-packages: any::rcmdcheck, lme4?source, UCLATALL/JMRData
           needs: check
 
       # https://github.com/r-lib/actions/tree/v2/check-r-package
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index c707b45..17c118b 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -24,7 +24,7 @@ jobs:
       # https://github.com/r-lib/actions/tree/v2/setup-r-dependencies
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::covr
+          extra-packages: any::covr, lme4?source, UCLATALL/JMRData
           needs: coverage
 
       - name: Test coverage