diff --git a/proof/bundle_crypto.py b/proof/bundle_crypto.py
index 9eaf33a..1ae3f91 100644
--- a/proof/bundle_crypto.py
+++ b/proof/bundle_crypto.py
@@ -25,7 +25,7 @@
 from pathlib import Path
 
 # Published validator encryption public key (X25519, base64).
-DEFAULT_VALIDATOR_PUBKEY = "+dCaAtEE/NCKUjOfktuKlKSs5WaER558CqPXJnz3eng="
+DEFAULT_VALIDATOR_PUBKEY = "RGYlkk6Bl+FaD3lv/jouRSvIw4B+xUVvXu4klJJN328="
 
 ENC_SCHEME = "sealed_box_x25519_v1"
 ENC_FILENAME = "bundle.enc"