diff --git a/scripts/exspec-after.sh b/scripts/exspec-after.sh
index 847c37662..c6bf38c06 100755
--- a/scripts/exspec-after.sh
+++ b/scripts/exspec-after.sh
@@ -41,7 +41,7 @@ if [[ -f emission.out || -f emission.out.zst ]]; then
   mv *_res_*.out* speclc_angle_res/ || true
 
   curl -LsSf https://astral.sh/uv/install.sh | sh
-  uv tool install artistools
+  uv tool install -U artistools
 
   # convert packets to parquet for fast reading
   uvx artistools lc --frompackets || true