diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 22c64ab66c..a9e4813b01 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -5,6 +5,7 @@ on:
   pull_request:
     branches:
       - master
+  workflow_dispatch:
 
 name: R-CMD-check
 
@@ -20,20 +21,20 @@ jobs:
         config:
           - {os: windows-latest, r: 'release'}
           - {os: macOS-latest, r: 'release'}
-          - {os: ubuntu-16.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-20.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
 
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       RSPM: ${{ matrix.config.rspm }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
 
-      - uses: r-lib/actions/setup-pandoc@master
+      - uses: r-lib/actions/setup-pandoc@v2
 
       - name: Query dependencies
         run: |
@@ -52,12 +53,11 @@ jobs:
 
       - name: Install system dependencies
         if: runner.os == 'Linux'
+        run: |
+          # Add the appropriate commands to install system dependencies here
+          echo "Linux setup"
         env:
           RHUB_PLATFORM: linux-x86_64-ubuntu-gcc
-        run: |
-          Rscript -e "remotes::install_github('r-hub/sysreqs')"
-          sysreqs=$(Rscript -e "cat(sysreqs::sysreq_commands('DESCRIPTION'))")
-          sudo -s eval "$sysreqs"
 
       - name: Install dependencies
         run: |
@@ -73,7 +73,7 @@ jobs:
 
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@master
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
           path: check
diff --git a/configure.win b/configure.win
index a1398504ef..e4cf9874bb 100755
--- a/configure.win
+++ b/configure.win
@@ -1,5 +1,5 @@
 #!/bin/bash
-CXX_STD=CXX14
+CXX_STD=CXX17
 CC=`${R_HOME}/bin${R_ARCH_BIN}/R.exe CMD config CC`
 CXX=`${R_HOME}/bin${R_ARCH_BIN}/R.exe CMD config CXX`
 JTHREADS=1