diff --git a/.github/workflows/build-firmware.yml b/.github/workflows/build-firmware.yml
index 41a00c774c..b5ab30a5d2 100644
--- a/.github/workflows/build-firmware.yml
+++ b/.github/workflows/build-firmware.yml
@@ -57,70 +57,70 @@ jobs:
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: openwrt ${{ env.next_buildstep }}
       if: ${{ env.next_buildstep != null }}
       run: |
         echo "running: make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}"
         make -f Makefile.autobuild ${MAKE_OPTS} ${next_buildstep}
         nextstep=$(make -f Makefile.autobuild next-buildstep-for-${next_buildstep})
-        echo "::set-env name=next_buildstep::${nextstep}"
+        echo "next_buildstep=${nextstep}" >>$GITHUB_ENV
     - name: Archive build logs
       if: ${{ !cancelled() }}
       uses: actions/upload-artifact@v1