diff --git a/tests/testdata/btc_finality.wasm b/tests/testdata/btc_finality.wasm
index 934ba26..7be41fc 100644
Binary files a/tests/testdata/btc_finality.wasm and b/tests/testdata/btc_finality.wasm differ
diff --git a/tests/testdata/version.txt b/tests/testdata/version.txt
index 5625df7..de83646 100644
--- a/tests/testdata/version.txt
+++ b/tests/testdata/version.txt
@@ -1 +1 @@
-3caf6c4b3c393063d53d71efa01b506d513ce432
+18b4530a4e4aab255faf5323a06c90df952c5710