diff --git a/.github/workflows/precompile_binaries.yml b/.github/workflows/precompile_binaries.yml
index c2b99fb..6f83ff5 100644
--- a/.github/workflows/precompile_binaries.yml
+++ b/.github/workflows/precompile_binaries.yml
@@ -1,6 +1,6 @@
 on:
   push:
-    branches: [main]
+    branches: [main, v0.20.0]
 
 name: Precompile Binaries
 
@@ -21,23 +21,18 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - name: Configure Cargo.toml optimizations
-        run: |
-          mkdir -p .cargo
-          echo "[profile.release]" >> .cargo/config.toml
-          echo "opt-level = 'z'" >> .cargo/config.toml
-          echo "lto = true" >> .cargo/config.toml
-          echo "codegen-units = 1" >> .cargo/config.toml
-          echo "panic = 'abort'" >> .cargo/config.toml
       - uses: dart-lang/setup-dart@v1
       - uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
-      - name: Install GTK
+      - name: Set up Android SDK
         if: (matrix.os == 'ubuntu-20.04')
-        run: sudo apt-get update && sudo apt-get install libgtk-3-dev
+        uses: android-actions/setup-android@v2 
+      - name: Install Specific NDK
+        if: (matrix.os == 'ubuntu-20.04')
+        run: sdkmanager --install "ndk;24.0.8215888"  
       - name: Precompile (with iOS)
-        if: (matrix.os == 'macOS-latest') || (matrix.os == 'windows-latest')
+        if: (matrix.os == 'macOS-latest')
         run: dart run build_tool precompile-binaries -v --manifest-dir=../../rust --repository=LtbLightning/payjoin-flutter
         working-directory: cargokit/build_tool
         env:
diff --git a/rust/cargokit.yaml b/rust/cargokit.yaml
index 87c82f9..81bdfee 100644
--- a/rust/cargokit.yaml
+++ b/rust/cargokit.yaml
@@ -1,6 +1,11 @@
 cargo:
-  release:
-    toolchain: stable
+  debug: # Configuration of cargo execution during debug builds
+    toolchain: stable # default
+  release: # Configuration of cargo execution for release builds
+    toolchain: nightly # rustup will be invoked with nightly toolchain
+    extra_flags: # extra arguments passed to cargo build
+      - -Z
+      - build-std=panic_abort,std
 precompiled_binaries:
   url_prefix: https://github.com/LtbLightning/payjoin-flutter/releases/download/precompiled_
-  public_key: acc9fbea1d5cca0660ed71b0e516663d36f0180a9826a6e5ba06ca26d4850de7
+  public_key: acc9fbea1d5cca0660ed71b0e516663d36f0180a9826a6e5ba06ca26d4850de7
\ No newline at end of file
diff --git a/rust/rust-toolchain.toml b/rust/rust-toolchain.toml
new file mode 100644
index 0000000..d973514
--- /dev/null
+++ b/rust/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly-2024-07-24"
+components = ["rustfmt"]
\ No newline at end of file