diff --git a/spartan/aztec-network/values/alpha-testnet.yaml b/spartan/aztec-network/values/alpha-testnet.yaml
index 06db6fe84776..7c45ef69d70e 100644
--- a/spartan/aztec-network/values/alpha-testnet.yaml
+++ b/spartan/aztec-network/values/alpha-testnet.yaml
@@ -8,8 +8,8 @@ aztec:
   sponsoredFPC: true
   bootstrapENRs: "enr:-LO4QLbJddVpePYjaiCftOBY-L7O6Mfj_43TAn5Q1Y-5qQ_OWmSFc7bTKWHzw5xmdVIqXUiizum_kIRniXdPnWHHcwEEhWF6dGVjqDAwLTExMTU1MTExLTAwMDAwMDAwLTAtMTgwNmEwMjgtMWE1MzBmM2KCaWSCdjSCaXCEI8nh9YlzZWNwMjU2azGhA-_dX6aFcXP1DLk91negbXL2a0mNYGXH4hrMvb2i92I0g3VkcIKd0A,enr:-LO4QN4WF8kFyV3sQVX0C_y_03Eepxk5Wac70l9QJcIDRYwKS6aRst1YcfbTDdvovXdRfKf-WSXNVWViGLhDA-dUz2MEhWF6dGVjqDAwLTExMTU1MTExLTAwMDAwMDAwLTAtMTgwNmEwMjgtMWE1MzBmM2KCaWSCdjSCaXCEIicTHolzZWNwMjU2azGhAsz7aFFYRnP5xjTux5UW-HyEQcW_EJrZMT1CNm79N4g-g3VkcIKd0A,enr:-LO4QFrGfkRaCk_iFTeUjR5ESwo45Eov9hx_T1-BLdoT-iHzFgCiHMT4V1KBtdFp8D0ajLSe5HcNYrhalmdJXgv6NTUEhWF6dGVjqDAwLTExMTU1MTExLTAwMDAwMDAwLTAtMTgwNmEwMjgtMWE1MzBmM2KCaWSCdjSCaXCEIlICt4lzZWNwMjU2azGhAlC6nKB3iDtRFqWKWqxf_t-P9hc-SZ6VFBJV4y3bTZBQg3VkcIKd0A"
   contracts:
-    registryAddress: "0x290667b79dd73ce03cd2fc901b905e7f1b001d18"
-    slashFactoryAddress: "0xc5aceadbb626630e854ffd6cb39105e9c541fa34"
+    registryAddress: "0xad85d55a4bbef35e95396191c22903aa717edf1c"
+    slashFactoryAddress: "0xf667f50fd68b30c38b12d29fee537fa5ea158eb8"
 
 network:
   public: true
diff --git a/yarn-project/aztec/src/cli/chain_l2_config.ts b/yarn-project/aztec/src/cli/chain_l2_config.ts
index ebb15184140f..26c6e5519d86 100644
--- a/yarn-project/aztec/src/cli/chain_l2_config.ts
+++ b/yarn-project/aztec/src/cli/chain_l2_config.ts
@@ -48,8 +48,8 @@ export const alphaTestnetL2ChainConfig: L2ChainConfig = {
   sponsoredFPC: true,
   p2pEnabled: true,
   p2pBootstrapNodes: [],
-  registryAddress: '0x290667b79dd73ce03cd2fc901b905e7f1b001d18',
-  slashFactoryAddress: '0xc5aceadbb626630e854ffd6cb39105e9c541fa34',
+  registryAddress: '0xad85d55a4bbef35e95396191c22903aa717edf1c',
+  slashFactoryAddress: '0xf667f50fd68b30c38b12d29fee537fa5ea158eb8',
   seqMinTxsPerBlock: 0,
   seqMaxTxsPerBlock: 4,
   realProofs: true,