diff --git a/.github/workflows/dispatch_ci.yml b/.github/workflows/dispatch_ci.yml
index b0fd232..de73193 100644
--- a/.github/workflows/dispatch_ci.yml
+++ b/.github/workflows/dispatch_ci.yml
@@ -1,4 +1,4 @@
-name: CI
+name: Dispatch CI
 
 on:
   workflow_dispatch:
diff --git a/dot_config/chezmoi/macos_packages b/dot_config/chezmoi/macos_packages
index ac29e63..399f66c 100644
--- a/dot_config/chezmoi/macos_packages
+++ b/dot_config/chezmoi/macos_packages
@@ -3,7 +3,7 @@ colima
 djvulibre
 docker-cli
 docker-buildx
-docker-credential-helper
+docker-credential-helpers
 ghostscript
 lima-vm
 mas
diff --git a/dot_config/chezmoi/python_packages b/dot_config/chezmoi/python_packages
index 2da035c..fe56124 100644
--- a/dot_config/chezmoi/python_packages
+++ b/dot_config/chezmoi/python_packages
@@ -67,7 +67,6 @@ sos
 sos-bash
 sos-notebook
 sos-python
-sos-r
 sympy
 usort
 yapf
diff --git a/run_once_install-packages.sh.tmpl b/run_once_install-packages.sh.tmpl
index 669e110..e7e23fb 100755
--- a/run_once_install-packages.sh.tmpl
+++ b/run_once_install-packages.sh.tmpl
@@ -3,6 +3,9 @@
 set -o xtrace -o errexit
 
 if [ ! -f $HOME/.pixi/bin/pixi ]; then
+{{ if eq .chezmoi.os "darwin" -}}
+    export PIXI_VERSION=v0.38.0
+{{end }}
     curl -fsSL https://pixi.sh/install.sh | bash
     if [ ! -f $HOME/.bashrc ]; then
         echo 'PATH="${HOME}/.pixi/bin:${PATH}"' >> ${HOME}/.bashrc
@@ -55,6 +58,9 @@ fi
 {{ if eq .chezmoi.arch "amd64" -}}
 pixi global install -c dnachun -c conda-forge $(tr '\n' ' ' < $HOME/.local/share/chezmoi/dot_config/chezmoi/intel_packages)
 {{ end }}
+if [[ ${CI} != "true" ]]; then
+    pixi self-update
+fi
 
 micromamba shell init --shell=bash $HOME/micromamba
 micromamba shell init --shell zsh