diff --git a/.github/workflows/legacy-testnet-build.yml b/.github/workflows/testnet-build.yml
similarity index 98%
rename from .github/workflows/legacy-testnet-build.yml
rename to .github/workflows/testnet-build.yml
index 3b5e34027..75e5690d8 100644
--- a/.github/workflows/legacy-testnet-build.yml
+++ b/.github/workflows/testnet-build.yml
@@ -58,10 +58,10 @@ jobs:
         key: ${{ runner.os }}-konan-${{ hashFiles('**/*.gradle*') }}-${{ hashFiles('**/gradle/wrapper/gradle-wrapper.properties') }}
         restore-keys: ${{ runner.os }}-konan-
 
-    - name: Set up jdk 1.11
+    - name: Set up jdk 1.17
       uses: actions/setup-java@v1
       with:
-         java-version: 11
+         java-version: 17
 
     # 3 - build dependencies & app