diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b3cb5b9..147cf2b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -62,6 +62,14 @@ jobs:
       - name: Download geosite project
         run: |
           go get -u -v -insecure $GEOSITE_REPO
+          
+      - name: Automatically generate ookla-speedtest sub-list from source
+        run: |
+          curl -L -o servers-source.xml "https://c.speedtest.net/speedtest-servers-static.php"
+          cat servers-source.xml | sed -nEe 's/.+host="(.+):[0-9]+".+/\L\1/p' | sort -u > hosts-with-ip.txt
+          sed -E '/^([0-9]{1,3}\.){3}[0-9]{1,3}$/d' hosts-with-ip.txt > hosts-without-ip.txt
+          cat hosts-without-ip.txt | awk '{printf "full:%s\n", $0}' > $GOPATH/src/$GEOSITE_REPO/data/ookla-speedtest
+          echo "include:ookla-speedtest-ads" >> $GOPATH/src/$GEOSITE_REPO/data/ookla-speedtest
 
       - name: Get and add direct domains into temp-direct.txt file
         run: |