diff --git a/.github/workflows/check-non-master.yaml b/.github/workflows/check-non-master.yaml
index 84606720..ea708df5 100644
--- a/.github/workflows/check-non-master.yaml
+++ b/.github/workflows/check-non-master.yaml
@@ -22,88 +22,62 @@ jobs:
         config:
           - {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-latest, r: 'release'}
+          - {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
 
     env:
-      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
-      RSPM: ${{ matrix.config.rspm }}
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
 
     steps:
       - uses: actions/checkout@v2
-        # https://community.codecov.io/t/stuck-in-processing-and-unable-to-find-report-content-in-the-storage-archive/2534
-        with:
-          fetch-depth: 10
-
-      - uses: r-lib/actions/setup-r@v1
-        with:
-          r-version: ${{ matrix.config.r }}
 
       - uses: r-lib/actions/setup-pandoc@v1
 
-      - uses: r-lib/actions/setup-tinytex@v1
-
       - name: Set up tex in OSX
         if: runner.os == 'macOS'
         run: tlmgr install placeins cleveref
 
-      - name: Query dependencies
-        run: |
-          install.packages('remotes')
-          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
-          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
-        shell: Rscript {0}
-
-      - name: Restore R package cache
-        if: runner.os != 'Windows'
-        uses: actions/cache@v2
+      - uses: r-lib/actions/setup-r@v1
         with:
-          path: ${{ env.R_LIBS_USER }}
-          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
-          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
 
-      - name: Install system dependencies
-        if: runner.os == 'Linux'
-        run: |
-          while read -r cmd
-          do
-            eval sudo $cmd
-          done < <(Rscript -e 'writeLines(remotes::system_requirements("ubuntu", "20.04"))')
+      - uses: r-lib/actions/setup-r-dependencies@v1
+        with:
+          extra-packages: rcmdcheck
+      
+      - uses: r-lib/actions/setup-tinytex@v1
 
-      - name: Install dependencies
+      - name: Install Yihui packages
         run: |
-          remotes::install_deps(dependencies = TRUE)
-          remotes::install_cran("rcmdcheck")
-          tinytex:::install_yihui_pkgs()
-        shell: Rscript {0}
+          Rscript -e 'tinytex:::install_yihui_pkgs()'
 
       # Otherwise building the vignette on Windows fails
       - name: Preinstall release version of package
         if: runner.os == 'Windows'
         run: |
-          remotes::install_cran("dtwclust")
-        shell: Rscript {0}
+          Rscript -e 'install.packages("dtwclust")'
 
-      - name: Check
-        env:
-          _R_CHECK_CRAN_INCOMING_REMOTE_: false
-        run: |
-          options(crayon.enabled = TRUE)
-          rcmdcheck::rcmdcheck(build_args = "--compact-vignettes", args = c("--no-manual", "--as-cran"), error_on = "error", check_dir = "check")
-        shell: Rscript {0}
+      - uses: r-lib/actions/check-r-package@v1
         continue-on-error: ${{ matrix.config.r == 'devel' }}
 
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
       - name: Test coverage
         if: runner.os == 'Linux' && matrix.config.r == 'release'
         run: |
-          Rscript -e 'remotes::install_cran("covr")'
+          Rscript -e 'install.packages("covr")'
           Rscript codecov.R
         continue-on-error: true
 
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@main
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
-          path: |
-            check
+          path: check
diff --git a/.github/workflows/check-standard.yaml b/.github/workflows/check-standard.yaml
index 05ec7890..be5941fb 100644
--- a/.github/workflows/check-standard.yaml
+++ b/.github/workflows/check-standard.yaml
@@ -21,89 +21,62 @@ jobs:
         config:
           - {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"}
+          - {os: ubuntu-latest, r: 'release'}
+          - {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
 
     env:
-      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
-      RSPM: ${{ matrix.config.rspm }}
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
 
     steps:
       - uses: actions/checkout@v2
-        # https://community.codecov.io/t/stuck-in-processing-and-unable-to-find-report-content-in-the-storage-archive/2534
-        with:
-          fetch-depth: 10
-
-      - uses: r-lib/actions/setup-r@v1
-        with:
-          r-version: ${{ matrix.config.r }}
 
       - uses: r-lib/actions/setup-pandoc@v1
 
-      - uses: r-lib/actions/setup-tinytex@v1
-
       - name: Set up tex in OSX
         if: runner.os == 'macOS'
         run: tlmgr install placeins cleveref
 
-      - name: Query dependencies
-        run: |
-          install.packages('remotes')
-          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
-          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
-        shell: Rscript {0}
-
-      - name: Restore R package cache
-        if: runner.os != 'Windows'
-        uses: actions/cache@v2
+      - uses: r-lib/actions/setup-r@v1
         with:
-          path: ${{ env.R_LIBS_USER }}
-          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
-          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
 
-      - name: Install system dependencies
-        if: runner.os == 'Linux'
-        run: |
-          while read -r cmd
-          do
-            eval sudo $cmd
-          done < <(Rscript -e 'writeLines(remotes::system_requirements("ubuntu", "20.04"))')
+      - uses: r-lib/actions/setup-r-dependencies@v1
+        with:
+          extra-packages: rcmdcheck
+      
+      - uses: r-lib/actions/setup-tinytex@v1
 
-      - name: Install dependencies
+      - name: Install Yihui packages
         run: |
-          remotes::install_deps(dependencies = TRUE)
-          remotes::install_cran("rcmdcheck")
-          tinytex:::install_yihui_pkgs()
-        shell: Rscript {0}
+          Rscript -e 'tinytex:::install_yihui_pkgs()'
 
       # Otherwise building the vignette on Windows fails
       - name: Preinstall release version of package
         if: runner.os == 'Windows'
         run: |
-          remotes::install_cran("dtwclust")
-        shell: Rscript {0}
+          Rscript -e 'install.packages("dtwclust")'
 
-      - name: Check
-        env:
-          _R_CHECK_CRAN_INCOMING_REMOTE_: false
-        run: |
-          options(crayon.enabled = TRUE)
-          rcmdcheck::rcmdcheck(build_args = "--compact-vignettes", args = c("--no-manual", "--as-cran"), error_on = "error", check_dir = "check")
-        shell: Rscript {0}
+      - uses: r-lib/actions/check-r-package@v1
         continue-on-error: ${{ matrix.config.r == 'devel' }}
 
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
       - name: Test coverage
         if: runner.os == 'Linux' && matrix.config.r == 'release'
         run: |
-          Rscript -e 'remotes::install_cran("covr")'
+          Rscript -e 'install.packages("covr")'
           Rscript codecov.R
         continue-on-error: true
 
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@main
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
-          path: |
-            check
+          path: check