diff --git a/Dockerfile b/Dockerfile
index 0275d37..8efae82 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM docker.io/nixos/nix:2.33.0 AS builder
+FROM --platform=$BUILDPLATFORM docker.io/nixos/nix:2.33.1 AS builder
 
 COPY . /tmp/build
 WORKDIR /tmp/build