diff --git a/Cargo.lock b/Cargo.lock
index 48d4df2651..fd694ac295 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5675,7 +5675,7 @@ dependencies = [
  "hyper-util",
  "protobuf",
  "pyth-lazer-protocol 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pyth-lazer-publisher-sdk 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pyth-lazer-publisher-sdk 0.18.0",
  "reqwest 0.12.23",
  "serde",
  "serde_json",
@@ -5773,26 +5773,26 @@ dependencies = [
 [[package]]
 name = "pyth-lazer-publisher-sdk"
 version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b910a3ca825bd1f4bbf75ef5fe01c76eec3e4f5f7570e8c38cbd465c81e21a4"
 dependencies = [
  "anyhow",
  "fs-err",
  "protobuf",
  "protobuf-codegen",
- "pyth-lazer-protocol 0.19.0",
+ "pyth-lazer-protocol 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json",
 ]
 
 [[package]]
 name = "pyth-lazer-publisher-sdk"
-version = "0.18.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b910a3ca825bd1f4bbf75ef5fe01c76eec3e4f5f7570e8c38cbd465c81e21a4"
+version = "0.19.0"
 dependencies = [
  "anyhow",
  "fs-err",
  "protobuf",
  "protobuf-codegen",
- "pyth-lazer-protocol 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pyth-lazer-protocol 0.19.0",
  "serde_json",
 ]
 
diff --git a/lazer/publisher_sdk/proto/governance_instruction.proto b/lazer/publisher_sdk/proto/governance_instruction.proto
index 71864f969d..1af1b804e1 100644
--- a/lazer/publisher_sdk/proto/governance_instruction.proto
+++ b/lazer/publisher_sdk/proto/governance_instruction.proto
@@ -95,6 +95,9 @@ message GovernanceInstructionItem {
         RemoveFeed remove_feed = 113;
         AddFeatureFlag add_feature_flag = 114;
         RemoveFeatureFlag remove_feature_flag = 115;
+        AddAsset add_asset = 116;
+        UpdateAsset update_asset = 117;
+        RemoveAsset remove_asset = 118;
     }
 }
 
@@ -368,3 +371,33 @@ message RemoveFeatureFlag {
     // [required] Feature flag to remove.
     optional string feature_flag = 1;
 }
+
+// Add a new asset. Refer to `Asset` message fields documentation.
+message AddAsset {
+    // [required]
+    optional uint32 asset_id = 1;
+    // [required]
+    optional DynamicValue.Map metadata = 2;
+}
+
+message UpdateAsset {
+    // [required] ID of the asset that is being updated. Rejects if there is no such asset.
+    optional uint32 asset_id = 1;
+    // [required]
+    // Note: when adding a new variant here, update `Permissions` as well.
+    oneof action {
+        UpdateAssetMetadata update_asset_metadata = 101;
+    }
+}
+
+message RemoveAsset {
+    // [required] ID of the asset that is being removed. Rejects if there is no such asset.
+    optional uint32 asset_id = 1;
+}
+
+message UpdateAssetMetadata {
+    // [required] Property name.
+    optional string name = 1;
+    // [optional] Property value. If unset, the property will be removed.
+    optional DynamicValue value = 2;
+}
diff --git a/lazer/publisher_sdk/proto/state.proto b/lazer/publisher_sdk/proto/state.proto
index 1fa67f9174..20b371ec64 100644
--- a/lazer/publisher_sdk/proto/state.proto
+++ b/lazer/publisher_sdk/proto/state.proto
@@ -48,6 +48,8 @@ message State {
     repeated GovernanceSourceState governance_sources = 9;
     // Currently active feature flags. Feature flags influence the aggregator's behavior.
     repeated string feature_flags = 10;
+    // List of assets.
+    repeated Asset assets = 11;
 }
 
 // An item of the state describing a publisher.
@@ -195,6 +197,14 @@ message FeedAggregateData {
     optional int64 confidence = 8;
 }
 
+// An item of the state describing an asset.
+message Asset {
+    // [required] ID of the asset.
+    optional uint32 asset_id = 1;
+    // [required] Additional metadata values. These values will be exposed in the APIs.
+    optional DynamicValue.Map metadata = 2;
+}
+
 // State associated with a governance source.
 message GovernanceSourceState {
     // [required]
@@ -233,6 +243,11 @@ message Permissions {
         REMOVE_FEED = 113;
         ADD_FEATURE_FLAG = 114;
         REMOVE_FEATURE_FLAG = 115;
+        ADD_ASSET = 116;
+        // All operations under `UpdateAsset`,
+        // including operations added in the future.
+        UPDATE_ASSET = 117;
+        REMOVE_ASSET = 118;
     }
 
     enum UpdateGovernanceSourceAction {
@@ -263,10 +278,17 @@ message Permissions {
         DISABLE_FEED_IN_SHARD = 104;
     }
 
+    enum UpdateAssetAction {
+        // Required by protobuf. Instruction will be rejected if this value is encountered.
+        UPDATE_ASSET_ACTION_UNSPECIFIED = 0;
+        UPDATE_ASSET_METADATA = 101;
+    }
+
     repeated ShardAction actions = 1;
     repeated UpdateGovernanceSourceAction update_governance_source_actions = 2;
     repeated UpdatePublisherAction update_publisher_actions = 3;
     repeated UpdateFeedAction update_feed_actions = 4;
+    repeated UpdateAssetAction update_asset_actions = 5;
 }
 
 
diff --git a/lazer/publisher_sdk/rust/Cargo.toml b/lazer/publisher_sdk/rust/Cargo.toml
index 64218375cf..0382bdfd5d 100644
--- a/lazer/publisher_sdk/rust/Cargo.toml
+++ b/lazer/publisher_sdk/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyth-lazer-publisher-sdk"
-version = "0.18.0"
+version = "0.19.0"
 edition = "2021"
 description = "Pyth Lazer Publisher SDK types."
 license = "Apache-2.0"