diff --git a/telemetry-core/src/state/chain.rs b/telemetry-core/src/state/chain.rs
index d08bacd..337c6a9 100644
--- a/telemetry-core/src/state/chain.rs
+++ b/telemetry-core/src/state/chain.rs
@@ -68,7 +68,7 @@ pub struct RemoveNodeResult {
 /// number of nodes to connect.
 static FIRST_PARTY_NETWORKS: Lazy<HashSet<BlockHash>> = Lazy::new(|| {
     let genesis_hash_strs = &[
-        "0x7657c8c868863dea692178d462fe9018ac8f1e16f51be31eea8f29274d85525b", // Casper v0.0.2
+        "0xcb183819bddab6f7fbe26adb816764297a272fdf4bcc264fa9bc89b161647138", // Casper v0.0.3
     ];
 
     genesis_hash_strs
diff --git a/telemetry-core/src/state/state.rs b/telemetry-core/src/state/state.rs
index 93b06fa..862d9fa 100644
--- a/telemetry-core/src/state/state.rs
+++ b/telemetry-core/src/state/state.rs
@@ -278,7 +278,7 @@ mod test {
     }
 
     fn get_valid_genesis() -> BlockHash {
-        BlockHash::from_str("0x7657c8c868863dea692178d462fe9018ac8f1e16f51be31eea8f29274d85525b")
+        BlockHash::from_str("0xcb183819bddab6f7fbe26adb816764297a272fdf4bcc264fa9bc89b161647138")
             .expect("Should be good genesis")
     }