diff --git a/pixi.def b/pixi.def
index d799815..c12d465 100644
--- a/pixi.def
+++ b/pixi.def
@@ -5,6 +5,9 @@ From: ghcr.io/prefix-dev/pixi:latest
     cd /root
     cp pixi.toml pixi.lock /
     cd /
+    export PIXI_HOME=/
+    export PIXI_CACHE_DIR=/.cache/rattler/cache
+    export RATTLER_AUTH_FILE=/.rattler/credentials.json
     pixi install --locked --environment default
     pixi global install -c conda-forge -c bioconda blast muscle=3.8 exonerate