diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da138b7..3301d52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/checkout@v2
       - uses: r-lib/actions/setup-r@v1
-      - run: echo "::set-env name=LD_LIBRARY_PATH::$(R RHOME)/lib"
+      - run: echo "LD_LIBRARY_PATH=$(R RHOME)/lib" >> $GITHUB_ENV
       - run: sudo R -e "install.packages('vegan', repos='http://cran.rstudio.com/')"
       - uses: julia-actions/setup-julia@latest
         with:
@@ -49,7 +49,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: r-lib/actions/setup-r@v1
-      - run: echo "::set-env name=LD_LIBRARY_PATH::$(R RHOME)/lib"
+      - run: echo "LD_LIBRARY_PATH=$(R RHOME)/lib" >> $GITHUB_ENV
       - run: sudo R -e "install.packages('vegan', repos='http://cran.rstudio.com/')"
       - uses: julia-actions/setup-julia@latest
         with: