diff --git a/.github/workflows/zombienet.yml b/.github/workflows/zombienet.yml
index 3c0244156..d346bde86 100644
--- a/.github/workflows/zombienet.yml
+++ b/.github/workflows/zombienet.yml
@@ -51,7 +51,7 @@ jobs:
 
       - name: Install Polkadot binaries
         run: |
-          POLKADOT_VERSION="v1.15.2"
+          POLKADOT_VERSION="stable2509-2"
           
           # Download polkadot binary
           wget -q https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-${POLKADOT_VERSION}/polkadot || exit 1
diff --git a/scripts/zombienet/README.md b/scripts/zombienet/README.md
index 939da9d1f..88af16f0f 100644
--- a/scripts/zombienet/README.md
+++ b/scripts/zombienet/README.md
@@ -54,11 +54,11 @@ The tests verify:
      chmod +x zombienet
      
      # Polkadot
-     curl -L -o polkadot https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-v1.15.2/polkadot
+     curl -L -o polkadot https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-stable2509-2/polkadot
      chmod +x polkadot
      
      # Polkadot-Parachain (for AssetHub)
-     curl -L -o polkadot-parachain https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-v1.15.2/polkadot-parachain
+     curl -L -o polkadot-parachain https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-stable2509-2/polkadot-parachain
      chmod +x polkadot-parachain
      ```
 
diff --git a/scripts/zombienet/run-tests.sh b/scripts/zombienet/run-tests.sh
index ae397e5db..0188db398 100755
--- a/scripts/zombienet/run-tests.sh
+++ b/scripts/zombienet/run-tests.sh
@@ -20,7 +20,7 @@ PROJECT_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
 
 # Configuration
 ZOMBIENET_VERSION="v1.3.106"
-POLKADOT_VERSION="v1.15.2"
+POLKADOT_VERSION="stable2509-2"
 ZOMBIENET_BIN="${SCRIPT_DIR}/bin/zombienet"
 POLKADOT_BIN="${SCRIPT_DIR}/bin/polkadot"
 POLKADOT_PARACHAIN_BIN="${SCRIPT_DIR}/bin/polkadot-parachain"