diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 018c36be..d8c6d441 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,50 +9,45 @@ jobs:
       matrix:
         os: [ ubuntu-22.04, macos-13, macos-14, windows-2019 ]
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
 
     steps:
       - uses: actions/checkout@v3
-      - name: Set up JDK 8
+      - name: Set up JDK 17
         uses: actions/setup-java@v2
         with:
-          java-version: '8'
+          java-version: '17'
           distribution: 'adopt'
 
       - name: Compile all
         run: mvn install -"DskipTests" -"Dgpg.skip"
 
       - name: Run Address tests
-        timeout-minutes: 10
         run: |
           cd address
           mvn test
 
       - name: Run Cell tests
-        timeout-minutes: 10
         run: |
           cd cell
           mvn test
 
       - name: Run tonlib tests
-        timeout-minutes: 10
         run: |
           cd tonlib
           mvn test -Dtest=TestTonlibJson#testTonlibGetAllBlockTransactions
 
       - name: Run Utils tests
-        timeout-minutes: 10
         run: |
           cd utils
           mvn test
 
       - name: Run Disassembler tests
-        timeout-minutes: 10
         run: |
           cd disassembler
           mvn test
 
       - name: Run BitString tests
-        timeout-minutes: 10
         run: |
           cd bitstring
           mvn test
\ No newline at end of file
diff --git a/tonlib/tonlibjson.dll b/tonlib/tonlibjson.dll
deleted file mode 100644
index 4d78c8f0..00000000
Binary files a/tonlib/tonlibjson.dll and /dev/null differ