diff --git a/Dockerfile b/Dockerfile
index 101af29c..598d5075 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Stage 0: Build the thing
 # Need debian based image to build the native rust module
 # as musl doesn't support cdylib
-FROM node:20-slim AS builder
+FROM node:20.12-slim AS builder
 
 # Needed in order to build rust FFI bindings.
 RUN apt-get update && apt-get install -y build-essential cmake curl pkg-config pkg-config libssl-dev
@@ -29,7 +29,7 @@ RUN yarn build
 
 
 # Stage 1: The actual container
-FROM node:20-slim
+FROM node:20.12-slim
 
 WORKDIR /bin/matrix-hookshot
 
diff --git a/changelog.d/949.misc b/changelog.d/949.misc
new file mode 100644
index 00000000..4a86d09c
--- /dev/null
+++ b/changelog.d/949.misc
@@ -0,0 +1 @@
+Pin the minor version of Node for Docker builds to avoid a startup crash on arm64.