diff --git a/.github/workflows/R-CMD-check-wsl.yaml b/.github/workflows/R-CMD-check-wsl.yaml
index 7d399dee..a62e58b8 100644
--- a/.github/workflows/R-CMD-check-wsl.yaml
+++ b/.github/workflows/R-CMD-check-wsl.yaml
@@ -37,11 +37,8 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - uses: r-lib/actions/setup-r@v2.8.6
-        with:
-          r-version: 'release'
-          rtools-version: '43'
-      - uses: r-lib/actions/setup-pandoc@v2.8.6
+      - uses: r-lib/actions/setup-r@v2.8.7
+      - uses: r-lib/actions/setup-pandoc@v2.8.7
 
       - name: Query dependencies
         run: |
@@ -58,7 +55,7 @@ jobs:
           install.packages("curl")
         shell: Rscript {0}
 
-      - uses: Vampire/setup-wsl@v2
+      - uses: Vampire/setup-wsl@v3
         with:
             distribution: Ubuntu-22.04
             use-cache: 'false'
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index d313201a..f8dbb29e 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -57,11 +57,11 @@ jobs:
           sudo apt-get install -y libcurl4-openssl-dev || true
           sudo apt-get install -y openmpi-bin openmpi-common libopenmpi-dev || true
 
-      - uses: r-lib/actions/setup-r@v2.8.6
+      - uses: r-lib/actions/setup-r@v2.8.7
         with:
           r-version: ${{ matrix.config.r }}
           rtools-version: ${{ matrix.config.rtools }}
-      - uses: r-lib/actions/setup-pandoc@v2.8.6
+      - uses: r-lib/actions/setup-pandoc@v2.8.7
 
       - name: Query dependencies
         run: |
diff --git a/.github/workflows/Test-coverage.yaml b/.github/workflows/Test-coverage.yaml
index 0df32cca..549361aa 100644
--- a/.github/workflows/Test-coverage.yaml
+++ b/.github/workflows/Test-coverage.yaml
@@ -34,8 +34,8 @@ jobs:
         if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"
       - uses: actions/checkout@v4
 
-      - uses: r-lib/actions/setup-r@v2.8.6
-      - uses: r-lib/actions/setup-pandoc@v2.8.6
+      - uses: r-lib/actions/setup-r@v2.8.7
+      - uses: r-lib/actions/setup-pandoc@v2.8.7
 
       - name: Install Ubuntu dependencies
         run: |
@@ -85,12 +85,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: r-lib/actions/setup-r@v2.8.6
-        with:
-          r-version: 'release'
-          rtools-version: '43'
+      - uses: r-lib/actions/setup-r@v2.8.7
 
-      - uses: r-lib/actions/setup-pandoc@v2.8.6
+      - uses: r-lib/actions/setup-pandoc@v2.8.7
 
       - name: Query dependencies
         run: |
diff --git a/.github/workflows/cmdstan-tarball-check.yaml b/.github/workflows/cmdstan-tarball-check.yaml
index 7ab3f5a1..79b17ba1 100644
--- a/.github/workflows/cmdstan-tarball-check.yaml
+++ b/.github/workflows/cmdstan-tarball-check.yaml
@@ -40,12 +40,12 @@ jobs:
           sudo apt-get install -y libcurl4-openssl-dev || true
           sudo apt-get install -y openmpi-bin openmpi-common libopenmpi-dev || true
 
-      - uses: r-lib/actions/setup-r@v2.8.6
+      - uses: r-lib/actions/setup-r@v2.8.7
         with:
           r-version: ${{ matrix.config.r }}
           rtools-version: ${{ matrix.config.rtools }}
 
-      - uses: r-lib/actions/setup-pandoc@v2.8.6
+      - uses: r-lib/actions/setup-pandoc@v2.8.7
 
       - name: Query dependencies
         run: |
diff --git a/R/install.R b/R/install.R
index 7d92f5e9..995c14a9 100644
--- a/R/install.R
+++ b/R/install.R
@@ -855,8 +855,10 @@ rtools4x_version <- function() {
     rtools_ver <- "40"
   } else if (R.version$minor < "3.0") {
     rtools_ver <- "42"
-  } else {
+  } else if (R.version$minor < "5.0") {
     rtools_ver <- "43"
+  } else {
+    rtools_ver <- "44"
   }
   rtools_ver
 }