diff --git a/tools/get_runtime_version_block.py b/tools/get_runtime_version_block.py
new file mode 100644
index 0000000..0d1f0db
--- /dev/null
+++ b/tools/get_runtime_version_block.py
@@ -0,0 +1,48 @@
+import sys
+sys.path.append('./')
+
+import argparse
+from substrateinterface import SubstrateInterface
+from peaq.utils import get_block_hash
+from peaq.utils import get_block_height
+
+
+def get_runtime_version(substrate, block_number):
+    block_hash = get_block_hash(substrate, block_number)
+    return substrate.get_block_runtime_version(block_hash)['specVersion']
+
+
+def find_first_occurrence(substrate, version):
+    # Binary search for the block number,
+    low = 1
+    high = get_block_height(substrate)
+    result = 0
+    while low < high:
+        mid = (low + high) // 2
+        value = get_runtime_version(substrate, mid)
+        # 0: equal, 1: mid > version, -1: mid < version
+        if value == version:
+            result = mid
+            high = mid - 1
+            print(f'Found runtime version {version} at block number {mid}')
+        elif value < version:
+            print(f'Runtime version {version} is already reached at block number {mid}')
+            low = mid + 1
+        else:
+            high = mid - 1
+            print(f'Runtime version {version} is not reached yet at block number {mid}')
+    return result + 1
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Get storage and constants from a Substrate chain')
+    parser.add_argument('-r', '--runtime', type=str, required=True, help='Your runtime websocket endpoint')
+    parser.add_argument('-v', '--version', type=int, required=True, help='The runtime version you want to check')
+    args = parser.parse_args()
+
+    substrate = SubstrateInterface(
+        url=args.runtime,
+    )
+
+    runtime_version = args.version
+    print(f'Block number for runtime version {runtime_version}: {find_first_occurrence(substrate, runtime_version)}')