diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 5e853f5f..36effa88 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -50,14 +50,18 @@ jobs:
       R_KEEP_PKG_SOURCE: yes
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       RENV_PATHS_ROOT: ${{ matrix.config.cache }}
+      LANG: "en_US.UTF-8"
 
     steps:
-      - name: Record Linux Version
+      - name: Setup Linux Environment
         if: runner.os == 'Linux'
         run: |
           echo "OS_VERSION=`lsb_release -sr`" >> $GITHUB_ENV
           mkdir -p "${{ runner.temp }}/sandbox/"
           echo "RENV_PATHS_SANDBOX=${{ runner.temp }}/sandbox/" >> $GITHUB_ENV
+          sudo locale-gen en_US.UTF-8
+          sudo update-locale LANG=en_US.UTF-8
+        shell: bash
 
       - name: "Windows: prevent autocrlf"
         if: runner.os == 'Windows'
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index c5075667..fc1e1dd3 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -16,6 +16,10 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       RENV_PATHS_ROOT: ~/.local/share/renv
       OS_VERSION: 1
+      LANG: "en_US-UTF.8"
+      LANGUAGE: "en_US.UTF-8"
+      LC_ALL: "en_US.UTF-8"
+      LC_MESSAGES: "en_US.UTF-8"
 
     steps:
       - uses: actions/checkout@v4
@@ -27,11 +31,13 @@ jobs:
       - name: "Set up pandoc"
         uses: r-lib/actions/setup-pandoc@v2
 
-      - name: "Install sysreqs"
+      - name: "Setup System Environment"
         id: run-apt
         shell: bash
         run: |
           sudo apt update || exit 0
+          sudo locale-gen en_US.UTF-8
+          sudo update-locale LANGUAGE=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 LANG=en_US.UTF-8
           curl https://carpentries.r-universe.dev/stats/sysdeps 2> /dev/null \
           | jq -r '.headers[0] | select(. != null)' 2> /dev/null \
           > ${{ runner.temp }}/sysdeps.txt