diff --git a/docker-compose.yml b/docker-compose.yml
index d86ef92..0a8a103 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.4'
-
 services:
   py:
     build: ./py-base
diff --git a/py-base/Dockerfile b/py-base/Dockerfile
index b3210d4..04ebd72 100644
--- a/py-base/Dockerfile
+++ b/py-base/Dockerfile
@@ -1,5 +1,5 @@
 #syntax=docker/dockerfile:1.7
-FROM ghcr.io/prefix-dev/pixi:0.26.1-jammy@sha256:45d86bb788aaa24d215eff57712f250329486ca8f442b91959bc9ce7ce6e053c
+FROM ghcr.io/prefix-dev/pixi:0.27.1-jammy@sha256:1318ca3b233a685c13aea68c71c377b27963a93c8d7890280c583df49b5281a0
 
 ENV NB_USER jovyan
 ENV NB_UID 1000