diff --git a/Cargo.lock b/Cargo.lock
index aa91ce425..21f7b78d7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1425,7 +1425,7 @@ dependencies = [
  "serde_json",
  "serde_yaml 0.8.26",
  "shared-memory-server",
- "shared_memory",
+ "shared_memory_extended",
  "thiserror",
  "tokio",
  "tracing",
@@ -4339,19 +4339,19 @@ dependencies = [
  "eyre",
  "raw_sync_2",
  "serde",
- "shared_memory",
+ "shared_memory_extended",
  "tracing",
 ]
 
 [[package]]
-name = "shared_memory"
-version = "0.12.4"
+name = "shared_memory_extended"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba8593196da75d9dc4f69349682bd4c2099f8cde114257d1ef7ef1b33d1aba54"
+checksum = "004d7ece9a3be64f85471d50967710b0a146144225bed5f0abd0514a3bed086f"
 dependencies = [
  "cfg-if",
  "libc",
- "nix 0.23.2",
+ "nix 0.26.2",
  "rand",
  "win-sys",
 ]
diff --git a/apis/rust/node/Cargo.toml b/apis/rust/node/Cargo.toml
index fc83aea2d..0d258bc9f 100644
--- a/apis/rust/node/Cargo.toml
+++ b/apis/rust/node/Cargo.toml
@@ -24,7 +24,7 @@ flume = "0.10.14"
 uuid = { version = "1.1.2", features = ["v4"] }
 capnp = "0.14.11"
 bincode = "1.3.3"
-shared_memory = "0.12.0"
+shared_memory_extended = "0.13.0"
 dora-tracing = { workspace = true, optional = true }
 arrow = "35.0.0"
 
diff --git a/apis/rust/node/src/event_stream/event.rs b/apis/rust/node/src/event_stream/event.rs
index 120809a80..3c0a49ce1 100644
--- a/apis/rust/node/src/event_stream/event.rs
+++ b/apis/rust/node/src/event_stream/event.rs
@@ -5,7 +5,7 @@ use dora_core::{
     message::Metadata,
 };
 use eyre::Context;
-use shared_memory::{Shmem, ShmemConf};
+use shared_memory_extended::{Shmem, ShmemConf};
 
 #[derive(Debug)]
 #[non_exhaustive]
@@ -78,6 +78,7 @@ impl MappedInputData {
         let memory = Box::new(
             ShmemConf::new()
                 .os_id(shared_memory_id)
+                .writable(false)
                 .open()
                 .wrap_err("failed to map shared memory input")?,
         );
diff --git a/apis/rust/node/src/node/mod.rs b/apis/rust/node/src/node/mod.rs
index 5966d5d02..7245781fa 100644
--- a/apis/rust/node/src/node/mod.rs
+++ b/apis/rust/node/src/node/mod.rs
@@ -8,7 +8,7 @@ use dora_core::{
     message::{uhlc, Metadata, MetadataParameters},
 };
 use eyre::{bail, WrapErr};
-use shared_memory::{Shmem, ShmemConf};
+use shared_memory_extended::{Shmem, ShmemConf};
 use std::{
     collections::{HashMap, VecDeque},
     ops::{Deref, DerefMut},
@@ -219,6 +219,7 @@ impl DoraNode {
             None => ShmemHandle(Box::new(
                 ShmemConf::new()
                     .size(data_len)
+                    .writable(true)
                     .create()
                     .wrap_err("failed to allocate shared memory")?,
             )),
diff --git a/examples/python-operator-dataflow/plot.py b/examples/python-operator-dataflow/plot.py
index 92f4cccce..f5d23ce71 100755
--- a/examples/python-operator-dataflow/plot.py
+++ b/examples/python-operator-dataflow/plot.py
@@ -58,6 +58,7 @@ def on_input(
                 dora_input["value"]
                 .to_numpy()
                 .reshape((CAMERA_HEIGHT, CAMERA_WIDTH, 3))
+                .copy() # copy the image because we want to modify it below
             )
             self.image = frame
 
diff --git a/libraries/shared-memory-server/Cargo.toml b/libraries/shared-memory-server/Cargo.toml
index 167930dd8..fbca178cb 100644
--- a/libraries/shared-memory-server/Cargo.toml
+++ b/libraries/shared-memory-server/Cargo.toml
@@ -11,7 +11,7 @@ license.workspace = true
 [dependencies]
 eyre = "0.6.8"
 serde = { version = "1.0.152", features = ["derive"] }
-shared_memory = "0.12.0"
+shared_memory_extended = "0.13.0"
 # TODO use upstream release once https://github.com/elast0ny/raw_sync-rs/pull/29 is merged
 # Current fix, use personally pushed `raw_sync_2` version.
 raw_sync_2 = "0.1.5"
diff --git a/libraries/shared-memory-server/src/channel.rs b/libraries/shared-memory-server/src/channel.rs
index 4e6428baa..3f63c3c9f 100644
--- a/libraries/shared-memory-server/src/channel.rs
+++ b/libraries/shared-memory-server/src/channel.rs
@@ -1,7 +1,7 @@
 use eyre::{eyre, Context};
 use raw_sync_2::events::{Event, EventImpl, EventInit, EventState};
 use serde::{Deserialize, Serialize};
-use shared_memory::Shmem;
+use shared_memory_extended::Shmem;
 use std::{
     mem, slice,
     sync::atomic::{AtomicBool, AtomicU64},
diff --git a/libraries/shared-memory-server/src/lib.rs b/libraries/shared-memory-server/src/lib.rs
index e55dcb17d..32edbacaf 100644
--- a/libraries/shared-memory-server/src/lib.rs
+++ b/libraries/shared-memory-server/src/lib.rs
@@ -1,7 +1,7 @@
 use self::channel::ShmemChannel;
 use eyre::{eyre, Context};
 use serde::{Deserialize, Serialize};
-pub use shared_memory::{Shmem, ShmemConf};
+pub use shared_memory_extended::{Shmem, ShmemConf};
 use std::marker::PhantomData;
 use std::time::Duration;