diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 3b9ed3b..5938a97 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -15,12 +15,12 @@ jobs:
           - {os: windows-latest, r: 'release'}
           - {os: macOS-latest, r: 'release'}
           - {os: ubuntu-20.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
-          - {os: ubuntu-20.04, r: 'devel', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest", http-user-agent: "R/4.1.0 (ubuntu-20.04) R (4.1.0 x86_64-pc-linux-gnu x86_64 linux-gnu) on GitHub Actions" }
 
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       RSPM: ${{ matrix.config.rspm }}
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      RGL_USE_NULL: true
 
     steps:
       - uses: actions/checkout@v2
@@ -34,15 +34,11 @@ jobs:
       - name: Install system dependencies
         if: runner.os == 'Linux'
         run: |
-          sudo apt-get install -y libicu-dev libxml2-dev libcurl4-openssl-dev libmagick++-dev libgdal-dev libgeos-dev libproj-dev 
+          sudo apt-get install -y libicu-dev libxml2-dev libcurl4-openssl-dev libmagick++-dev libgdal-dev libgeos-dev libproj-dev
 
-      - name: "Install dependencies"
-        run: |
-          install.packages("remotes")
-          remotes::install_github("AtherEnergy/ggTimeSeries", dependencies = TRUE)
-          remotes::install_deps(dependencies = TRUE)
-          remotes::install_cran("rcmdcheck")
-        shell: Rscript {0}
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: rcmdcheck
 
       - uses: r-lib/actions/check-r-package@v1
 
diff --git a/DESCRIPTION b/DESCRIPTION
index 4b7abc4..73bbffe 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -42,7 +42,8 @@ Imports:
     rayshader,
     geoviz,
     magick,
-    raster
+    raster,
+    terra
 License: MIT + file LICENSE
 Encoding: UTF-8
 LazyData: true