diff --git a/.travis.yml b/.travis.yml
index 25cee9a..1fe8cc1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,14 +5,14 @@ rust:
 env:
   global:
     - NODE_VERSION="v14.7.0"
-    - SOLANA_VERSION="v1.6.6"
-    - ANCHOR_VERSION="v0.6.0"
+    - SOLANA_VERSION="v1.7.8"
+    - ANCHOR_VERSION="v0.13.0"
 
 before_deploy:
   - anchor build --verifiable
   - echo "### SHA256 Checksums" > release_notes.md
-  - sha256sum target/deploy/multisig.so > binary.txt
-  - sha256sum target/idl/multisig.json > idl.txt
+  - sha256sum target/deploy/serum_multisig.so > binary.txt
+  - sha256sum target/idl/serum_multisig.json > idl.txt
   - cat *.txt >> release_notes.md
   - echo "" >> release_notes.md
   - echo "Built with Anchor [${ANCHOR_VERSION}](https://github.com/project-serum/anchor/releases/tag/${ANCHOR_VERSION})." >> release_notes.md
@@ -21,8 +21,8 @@ deploy:
   provider: releases
   edge: true
   file:
-    - "target/deploy/multisig.so"
-    - "target/idl/multisig.json"
+    - "target/deploy/serum_multisig.so"
+    - "target/idl/serum_multisig.json"
   release_notes_file: release_notes.md
   skip_cleanup: true
   on:
diff --git a/Anchor.toml b/Anchor.toml
index 0291187..4faca71 100644
--- a/Anchor.toml
+++ b/Anchor.toml
@@ -1,9 +1,14 @@
+anchor_version = "0.13.0"
+
 [provider]
 cluster = "localnet"
 wallet = "~/.config/solana/id.json"
 
-[clusters.devnet]
-multisig = "F3Uf5F61dmht1xuNNNkk3jnzj82TY56vVjVEhZALRkN"
+[programs.devnet]
+serum_multisig = "F3Uf5F61dmht1xuNNNkk3jnzj82TY56vVjVEhZALRkN"
+
+[programs.mainnet]
+serum_multisig = { address = "A9HAbnCwoD6f2NkZobKFf6buJoN9gUVVvX5PoUnDHS6u", path = "./target/deploy/serum_multisig.so", idl = "./target/idl/serum_multisig.json" }
 
-[clusters.mainnet]
-multisig = "A9HAbnCwoD6f2NkZobKFf6buJoN9gUVVvX5PoUnDHS6u"
+[scripts]
+test = "mocha -t 1000000 tests/"
diff --git a/Cargo.lock b/Cargo.lock
index 8c6d01b..9ad9ea4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "ahash"
 version = "0.4.7"
@@ -17,9 +19,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-access-control"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bc1dd0644b68afc0d1debbb97ccb7f5f25f54616c705be67d54e434f2d272e0"
+checksum = "317ec4ca2285689c98600f371a206105613ff0a614fb906403a8293b8d265fdf"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -31,9 +33,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-account"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b758125edf97f9d5ba84b58bbd5a71b242847f049e648b6292887ab3541f8d1"
+checksum = "7d9c7955ae7f81ac15b1da0fd5121a664161014183d5f33d13c6bed252b48af8"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -44,9 +46,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-error"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843a945ad0a288f5706090c20708ae910c1515fc103ab5fb1063f64e4be5a3a4"
+checksum = "6a18ead124777eeee2afd09006c1814ded41c6d19422a56b91d2a0bc35a5c08e"
 dependencies = [
  "anchor-syn",
  "proc-macro2",
@@ -56,9 +58,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-event"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4f823d51a37431cd0a71864550104a1aa62b0f67d62612c90fa2ed0f96d4be1"
+checksum = "2f46254314ed9da3c8913dcbdcd0130dc7a3e8bbedd14f4a7d0d9de825844f5e"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -69,9 +71,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-interface"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca690936e1003978c354020da66b430769bbd17f3b31cae1aa5084a53132fc33"
+checksum = "d116d72c20a6fe9fde7731cf83b0cd8af35afba4f4ef905374388e5e57567bdc"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -83,9 +85,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-program"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af392df4e4b390d2b0438c7fb1fce1f4878a1acfb79791db29a78d5f41d684f8"
+checksum = "211418fd8bdec824882fad89cc89af09b6d7360f61b283a518b6d4ca967631df"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -96,9 +98,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-attribute-state"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa2b80913fa00d6df180f22e35a536d2d516dc786177198e40a4f8c6dc28f24b"
+checksum = "99e5f39d6a3f6a3de5612079b56de0624c3c37c3b322b98508b26c0501d34b23"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -109,9 +111,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-derive-accounts"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecb6f8805e1c705525d7c11a6f48d972d9a5d339bc98fa5e8ae24a7f0a8e4802"
+checksum = "3b48d4574fd51e47c23e3621865fd753d8379f8d8217988e38a458b97e298d9c"
 dependencies = [
  "anchor-syn",
  "anyhow",
@@ -122,9 +124,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-lang"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b509f2f53910f0462f3acecb15a9d409ca346c1283214293113824f180ef75f8"
+checksum = "011bb8da56486474f058c42c2c505f6cc995da0dd8a261dfd4bc7e4923a0380d"
 dependencies = [
  "anchor-attribute-access-control",
  "anchor-attribute-account",
@@ -134,7 +136,7 @@ dependencies = [
  "anchor-attribute-program",
  "anchor-attribute-state",
  "anchor-derive-accounts",
- "base64",
+ "base64 0.13.0",
  "borsh",
  "bytemuck",
  "solana-program",
@@ -143,14 +145,15 @@ dependencies = [
 
 [[package]]
 name = "anchor-syn"
-version = "0.4.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65c19efff3d8def89fe320965d058bcaf05043f389182666859d626675875926"
+checksum = "ed39067f714dc11cfd1096140f4cc2bdff1e5b1b0573bdd12c3ad5eba6ec9705"
 dependencies = [
  "anyhow",
  "bs58",
  "heck",
  "proc-macro2",
+ "proc-macro2-diagnostics",
  "quote",
  "serde",
  "serde_json",
@@ -194,6 +197,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "base64"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -231,14 +240,21 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
+ "block-padding",
  "generic-array 0.14.4",
 ]
 
+[[package]]
+name = "block-padding"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
+
 [[package]]
 name = "borsh"
-version = "0.8.2"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09a7111f797cc721407885a323fb071636aee57f750b1a4ddc27397eba168a74"
+checksum = "18dda7dc709193c0d86a1a51050a926dc3df1cf262ec46a23a25dba421ea1924"
 dependencies = [
  "borsh-derive",
  "hashbrown",
@@ -246,9 +262,9 @@ dependencies = [
 
 [[package]]
 name = "borsh-derive"
-version = "0.8.2"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "307f3740906bac2c118a8122fe22681232b244f1369273e45f1156b45c43d2dd"
+checksum = "684155372435f578c0fa1acd13ebbb182cc19d6b38b64ae7901da4393217d264"
 dependencies = [
  "borsh-derive-internal",
  "borsh-schema-derive-internal",
@@ -259,9 +275,9 @@ dependencies = [
 
 [[package]]
 name = "borsh-derive-internal"
-version = "0.8.2"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2104c73179359431cc98e016998f2f23bc7a05bc53e79741bcba705f30047bc"
+checksum = "2102f62f8b6d3edeab871830782285b64cc1830168094db05c8e458f209bc5c3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -270,9 +286,9 @@ dependencies = [
 
 [[package]]
 name = "borsh-schema-derive-internal"
-version = "0.8.2"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae29eb8418fcd46f723f8691a2ac06857d31179d33d2f2d91eb13967de97c728"
+checksum = "196c978c4c9b0b142d446ef3240690bf5a8a33497074a113ff9a337ccb750483"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -337,6 +353,12 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
 
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "crypto-mac"
 version = "0.8.0"
@@ -467,6 +489,27 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hmac"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
+dependencies = [
+ "crypto-mac",
+ "digest 0.9.0",
+]
+
+[[package]]
+name = "hmac-drbg"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17ea0a1394df5b6574da6e0c1ade9e78868c9fb0a4e5ef4428e32da4676b85b1"
+dependencies = [
+ "digest 0.9.0",
+ "generic-array 0.14.4",
+ "hmac",
+]
+
 [[package]]
 name = "humantime"
 version = "2.1.0"
@@ -488,6 +531,12 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "keccak"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -500,6 +549,54 @@ version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03b07a082330a35e43f63177cc01689da34fbffa0105e1246cf0311472cac73a"
 
+[[package]]
+name = "libsecp256k1"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd1137239ab33b41aa9637a88a28249e5e70c40a42ccc92db7f12cc356c1fcd7"
+dependencies = [
+ "arrayref",
+ "base64 0.12.3",
+ "digest 0.9.0",
+ "hmac-drbg",
+ "libsecp256k1-core",
+ "libsecp256k1-gen-ecmult",
+ "libsecp256k1-gen-genmult",
+ "rand",
+ "serde",
+ "sha2",
+ "typenum",
+]
+
+[[package]]
+name = "libsecp256k1-core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0f6ab710cec28cef759c5f18671a27dae2a5f952cdaaee1d8e2908cb2478a80"
+dependencies = [
+ "crunchy",
+ "digest 0.9.0",
+ "subtle",
+]
+
+[[package]]
+name = "libsecp256k1-gen-ecmult"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccab96b584d38fac86a83f07e659f0deafd0253dc096dab5a36d53efe653c5c3"
+dependencies = [
+ "libsecp256k1-core",
+]
+
+[[package]]
+name = "libsecp256k1-gen-genmult"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67abfe149395e3aa1c48a2beb32b068e2334402df8181f818d3aee2b304c4f5d"
+dependencies = [
+ "libsecp256k1-core",
+]
+
 [[package]]
 name = "log"
 version = "0.4.14"
@@ -524,13 +621,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "multisig"
-version = "0.4.0"
-dependencies = [
- "anchor-lang",
-]
-
 [[package]]
 name = "num-derive"
 version = "0.3.3"
@@ -587,6 +677,19 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "proc-macro2-diagnostics"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bf29726d67464d49fa6224a1d07936a8c08bb3fba727c7493f6cf1616fdaada"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+ "yansi",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.9"
@@ -731,6 +834,13 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serum-multisig"
+version = "0.5.0"
+dependencies = [
+ "anchor-lang",
+]
+
 [[package]]
 name = "sha2"
 version = "0.9.3"
@@ -744,11 +854,23 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "sha3"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f81199417d4e5de3f04b1e871023acea7389672c4135918f05aa9cbf2f2fa809"
+dependencies = [
+ "block-buffer",
+ "digest 0.9.0",
+ "keccak",
+ "opaque-debug",
+]
+
 [[package]]
 name = "solana-frozen-abi"
-version = "1.6.6"
+version = "1.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10272e9486b3cb41b04e899929c521c5c2a037ba6be1651cff68ad3959f4d1f9"
+checksum = "45c6760c1dd139c202ef6df28bff467c904aa35b1aa1a59be268c47aec8bc6c0"
 dependencies = [
  "bs58",
  "bv",
@@ -766,11 +888,10 @@ dependencies = [
 
 [[package]]
 name = "solana-frozen-abi-macro"
-version = "1.6.6"
+version = "1.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82f4b6a34f19cc4b09da1919ff9810c1a499c7e77fc9d26bea022f69dc965edf"
+checksum = "a4dbe296c16dec41e8e6f4e6c2694c6224820d34c0ab11a2d3ff9683f44878ef"
 dependencies = [
- "lazy_static",
  "proc-macro2",
  "quote",
  "rustc_version",
@@ -779,9 +900,9 @@ dependencies = [
 
 [[package]]
 name = "solana-logger"
-version = "1.6.6"
+version = "1.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c17fa89f2e5fe988cf95a34df411950db4609f68af8df602371d9b7f83cefa7"
+checksum = "80af1959b520c0fc99bc6583ba9d82bfa15b1ac007516795bceeb4a951af77c7"
 dependencies = [
  "env_logger",
  "lazy_static",
@@ -790,9 +911,9 @@ dependencies = [
 
 [[package]]
 name = "solana-program"
-version = "1.6.6"
+version = "1.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "885552ce43e9f2cf13fda274bf2b4ef75c5de6e5e0190f53acb83f84cda739c0"
+checksum = "fe5e5dd99d642b5e89eeb20457310c3c23f20dbf44e67c64e473a02fbc50d646"
 dependencies = [
  "bincode",
  "blake3",
@@ -804,6 +925,7 @@ dependencies = [
  "hex",
  "itertools",
  "lazy_static",
+ "libsecp256k1",
  "log",
  "num-derive",
  "num-traits",
@@ -814,6 +936,7 @@ dependencies = [
  "serde_bytes",
  "serde_derive",
  "sha2",
+ "sha3",
  "solana-frozen-abi",
  "solana-frozen-abi-macro",
  "solana-logger",
@@ -823,9 +946,9 @@ dependencies = [
 
 [[package]]
 name = "solana-sdk-macro"
-version = "1.6.6"
+version = "1.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8264149655cbbcfa1dccd0dc9f62eb04d6832ec08540fcb81db6f305a21d3b65"
+checksum = "fee909dcddb5b4d349b3e5e1ae92f6660cd2f783dea392ae2e73210776aadc9b"
 dependencies = [
  "bs58",
  "proc-macro2",
@@ -959,6 +1082,12 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "yansi"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
+
 [[package]]
 name = "zeroize"
 version = "1.2.0"
diff --git a/programs/multisig/Cargo.toml b/programs/multisig/Cargo.toml
index 12170d5..7802065 100644
--- a/programs/multisig/Cargo.toml
+++ b/programs/multisig/Cargo.toml
@@ -1,12 +1,12 @@
 [package]
-name = "multisig"
-version = "0.4.0"
+name = "serum-multisig"
+version = "0.5.0"
 description = "Created with Anchor"
 edition = "2018"
 
 [lib]
 crate-type = ["cdylib", "lib"]
-name = "multisig"
+name = "serum_multisig"
 
 [features]
 no-entrypoint = []
@@ -15,4 +15,4 @@ cpi = ["no-entrypoint"]
 default = []
 
 [dependencies]
-anchor-lang = "0.6.0"
+anchor-lang = "0.13.0"
diff --git a/programs/multisig/src/lib.rs b/programs/multisig/src/lib.rs
index b93c484..f1949d7 100644
--- a/programs/multisig/src/lib.rs
+++ b/programs/multisig/src/lib.rs
@@ -23,7 +23,7 @@ use anchor_lang::solana_program::instruction::Instruction;
 use std::convert::Into;
 
 #[program]
-pub mod multisig {
+pub mod serum_multisig {
     use super::*;
 
     // Initializes a new multisig account with a set of owners and a threshold.
@@ -195,9 +195,9 @@ pub struct CreateTransaction<'info> {
 
 #[derive(Accounts)]
 pub struct Approve<'info> {
-    #[account("multisig.owner_set_seqno == transaction.owner_set_seqno")]
+    #[account(constraint = multisig.owner_set_seqno == transaction.owner_set_seqno)]
     multisig: ProgramAccount<'info, Multisig>,
-    #[account(mut, belongs_to = multisig)]
+    #[account(mut, has_one = multisig)]
     transaction: ProgramAccount<'info, Transaction>,
     // One of the multisig owners. Checked in the handler.
     #[account(signer)]
@@ -217,14 +217,14 @@ pub struct Auth<'info> {
 
 #[derive(Accounts)]
 pub struct ExecuteTransaction<'info> {
-    #[account("multisig.owner_set_seqno == transaction.owner_set_seqno")]
+    #[account(constraint = multisig.owner_set_seqno == transaction.owner_set_seqno)]
     multisig: ProgramAccount<'info, Multisig>,
     #[account(seeds = [
         multisig.to_account_info().key.as_ref(),
         &[multisig.nonce],
     ])]
     multisig_signer: AccountInfo<'info>,
-    #[account(mut, belongs_to = multisig)]
+    #[account(mut, has_one = multisig)]
     transaction: ProgramAccount<'info, Transaction>,
 }
 
diff --git a/tests/multisig.js b/tests/multisig.js
index e70edc3..24959a7 100644
--- a/tests/multisig.js
+++ b/tests/multisig.js
@@ -5,7 +5,7 @@ describe("multisig", () => {
   // Configure the client to use the local cluster.
   anchor.setProvider(anchor.Provider.env());
 
-  const program = anchor.workspace.Multisig;
+  const program = anchor.workspace.SerumMultisig;
 
   it("Tests the multisig program", async () => {
     const multisig = anchor.web3.Keypair.generate();
@@ -39,7 +39,7 @@ describe("multisig", () => {
       signers: [multisig],
     });
 
-    let multisigAccount = await program.account.multisig(multisig.publicKey);
+    let multisigAccount = await program.account.multisig.fetch(multisig.publicKey);
     assert.strictEqual(multisigAccount.nonce, nonce);
     assert.ok(multisigAccount.threshold.eq(new anchor.BN(2)));
     assert.deepStrictEqual(multisigAccount.owners, owners);
@@ -81,7 +81,7 @@ describe("multisig", () => {
       signers: [transaction, ownerA],
     });
 
-    const txAccount = await program.account.transaction(transaction.publicKey);
+    const txAccount = await program.account.transaction.fetch(transaction.publicKey);
 
     assert.ok(txAccount.programId.equals(pid));
     assert.deepStrictEqual(txAccount.accounts, accounts);
@@ -125,7 +125,7 @@ describe("multisig", () => {
         }),
     });
 
-    multisigAccount = await program.account.multisig(multisig.publicKey);
+    multisigAccount = await program.account.multisig.fetch(multisig.publicKey);
 
     assert.strictEqual(multisigAccount.nonce, nonce);
     assert.ok(multisigAccount.threshold.eq(new anchor.BN(2)));