diff --git a/Cargo.lock b/Cargo.lock
index 02255b6..680ce42 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -561,9 +561,9 @@ dependencies = [
 
 [[package]]
 name = "esp-pbuf"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e4e265745059669e3767ab11a5d2e4c4d20d0bbdad74d8ac054cbcc92bb0c8b"
+checksum = "53836154ac1c89bd589a5c36fa517cbf5e5a4712d4709a1013ec380da850d5f1"
 dependencies = [
  "embuild",
  "esp-idf-sys",
diff --git a/bark-protocol/Cargo.toml b/bark-protocol/Cargo.toml
index 29b4ba2..5073f77 100644
--- a/bark-protocol/Cargo.toml
+++ b/bark-protocol/Cargo.toml
@@ -12,4 +12,4 @@ bytemuck = { workspace = true }
 derive_more = { workspace = true }
 
 [target.'cfg(target_os="espidf")'.dependencies]
-esp-pbuf = "0.1"
+esp-pbuf = "0.2"
diff --git a/bark-protocol/src/buffer/pbuf_impl.rs b/bark-protocol/src/buffer/pbuf_impl.rs
index 4ba3881..2fd2124 100644
--- a/bark-protocol/src/buffer/pbuf_impl.rs
+++ b/bark-protocol/src/buffer/pbuf_impl.rs
@@ -12,7 +12,7 @@ unsafe impl Sync for BufferImpl {}
 
 impl BufferImpl {
     pub fn allocate_zeroed(len: usize) -> Result<Self, AllocatePbufError> {
-        let pbuf = PbufUninit::allocate(ffi::PBUF_TRANSPORT, len, ffi::PBUF_RAM)?;
+        let pbuf = PbufUninit::allocate(ffi::PBUF_TRANSPORT, ffi::PBUF_RAM, len)?;
         Ok(BufferImpl(pbuf.zeroed()))
     }