diff --git a/Cargo.lock b/Cargo.lock
index dd2992a..45992fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -219,14 +219,14 @@ dependencies = [
  "lazy_static",
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
 name = "cc"
-version = "1.2.5"
+version = "1.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31a0499c1dc64f458ad13872de75c0eb7e3fdb0e67964610c914b034fc5956e"
+checksum = "8d6dbb628b8f8555f86d0323c2eb39e3ec81901f4b83e091db8a6a76d316a333"
 dependencies = [
  "shlex",
 ]
@@ -455,7 +455,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -691,7 +691,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -944,7 +944,7 @@ dependencies = [
  "quote",
  "serde",
  "serde_tokenstream",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -958,7 +958,7 @@ dependencies = [
  "quote",
  "serde",
  "serde_tokenstream",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -1497,7 +1497,7 @@ dependencies = [
 
 [[package]]
 name = "ic_cose_canister"
-version = "0.5.3"
+version = "0.5.4"
 dependencies = [
  "candid",
  "ciborium",
@@ -1518,7 +1518,7 @@ dependencies = [
 
 [[package]]
 name = "ic_cose_types"
-version = "0.5.3"
+version = "0.5.4"
 dependencies = [
  "aes-gcm",
  "candid",
@@ -2010,7 +2010,7 @@ dependencies = [
  "itertools 0.13.0",
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -2127,9 +2127,9 @@ dependencies = [
 
 [[package]]
 name = "rustversion"
-version = "1.0.18"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e819f2bc632f285be6d7cd36e25940d45b2391dd6d9b939e79de557f7014248"
+checksum = "f7c45b9784283f1b2e7fb61b42047c2fd678ef0960d4f6f1eba131594cc369d4"
 
 [[package]]
 name = "ryu"
@@ -2171,9 +2171,9 @@ checksum = "3cb6eb87a131f756572d7fb904f6e7b68633f09cca868c5df1c4b8d1a694bbba"
 
 [[package]]
 name = "serde"
-version = "1.0.216"
+version = "1.0.217"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9781016e935a97e8beecf0c933758c97a5520d32930e460142b4cd80c6338e"
+checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
 dependencies = [
  "serde_derive",
 ]
@@ -2199,13 +2199,13 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.216"
+version = "1.0.217"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46f859dbbf73865c6627ed570e78961cd3ac92407a2d117204c49232485da55e"
+checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -2229,7 +2229,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -2390,7 +2390,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustversion",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -2412,9 +2412,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.91"
+version = "2.0.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d53cbcb5a243bd33b7858b1d7f4aca2153490815872d86d955d6ea29f743c035"
+checksum = "9c786062daee0d6db1132800e623df74274a0a87322d8e183338e01b3d98d058"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2438,7 +2438,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -2573,7 +2573,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
  "wasm-bindgen-shared",
 ]
 
@@ -2595,7 +2595,7 @@ checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2724,7 +2724,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -2744,5 +2744,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.91",
+ "syn 2.0.93",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index c974307..e7f82d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ strip = true
 opt-level = 's'
 
 [workspace.package]
-version = "0.5.3"
+version = "0.5.4"
 edition = "2021"
 repository = "https://github.com/ldclabs/ic-cose"
 keywords = ["config", "cbor", "canister", "icp", "encryption"]
diff --git a/src/ic_cose_canister/ic_cose_canister.did b/src/ic_cose_canister/ic_cose_canister.did
index fbb1af8..cdfd12c 100644
--- a/src/ic_cose_canister/ic_cose_canister.did
+++ b/src/ic_cose_canister/ic_cose_canister.did
@@ -128,6 +128,7 @@ type StateInfo = record {
   freezing_threshold : nat64;
   ecdsa_key_name : text;
   managers : vec principal;
+  governance_canister : opt principal;
   name : text;
   auditors : vec principal;
   schnorr_secp256k1_public_key : opt PublicKeyOutput;
diff --git a/src/ic_cose_canister/src/store.rs b/src/ic_cose_canister/src/store.rs
index b74ba50..8bfee0f 100644
--- a/src/ic_cose_canister/src/store.rs
+++ b/src/ic_cose_canister/src/store.rs
@@ -103,6 +103,7 @@ impl State {
             } else {
                 None
             },
+            governance_canister: self.governance_canister.clone(),
         }
     }
 }
diff --git a/src/ic_cose_types/src/types/state.rs b/src/ic_cose_types/src/types/state.rs
index d28b9e4..bd23f26 100644
--- a/src/ic_cose_types/src/types/state.rs
+++ b/src/ic_cose_types/src/types/state.rs
@@ -20,4 +20,5 @@ pub struct StateInfo {
     pub ecdsa_public_key: Option<PublicKeyOutput>,
     pub schnorr_ed25519_public_key: Option<PublicKeyOutput>,
     pub schnorr_secp256k1_public_key: Option<PublicKeyOutput>,
+    pub governance_canister: Option<Principal>,
 }