diff --git a/pythnet/pythnet_sdk/Cargo.toml b/pythnet/pythnet_sdk/Cargo.toml
index 675e3e655a..34f447ccc1 100644
--- a/pythnet/pythnet_sdk/Cargo.toml
+++ b/pythnet/pythnet_sdk/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pythnet-sdk"
-version = "2.3.0"
+version = "2.3.1"
 description = "Pyth Runtime for Solana"
 authors = ["Pyth Data Association"]
 repository = "https://github.com/pyth-network/pythnet"
diff --git a/pythnet/pythnet_sdk/src/messages.rs b/pythnet/pythnet_sdk/src/messages.rs
index 12b8a18021..d151ee32cc 100644
--- a/pythnet/pythnet_sdk/src/messages.rs
+++ b/pythnet/pythnet_sdk/src/messages.rs
@@ -91,7 +91,8 @@ pub type Pubkey = [u8; 32];
 )]
 
 pub struct PriceFeedMessage {
-    pub feed_id: FeedId,
+    /// `FeedId` but avoid the type alias because of compatibility issues with Anchor's `idl-build` feature.
+    pub feed_id: [u8; 32],
     pub price: i64,
     pub conf: u64,
     pub exponent: i32,
diff --git a/target_chains/solana/Cargo.lock b/target_chains/solana/Cargo.lock
index 321d44f7ba..20f00f14bb 100644
--- a/target_chains/solana/Cargo.lock
+++ b/target_chains/solana/Cargo.lock
@@ -3117,7 +3117,7 @@ dependencies = [
 
 [[package]]
 name = "pythnet-sdk"
-version = "2.3.0"
+version = "2.3.1"
 dependencies = [
  "anchor-lang",
  "bincode",