diff --git a/Brewfile b/Brewfile
index ff66e54..4ba7b08 100644
--- a/Brewfile
+++ b/Brewfile
@@ -26,7 +26,6 @@ brew "postgresql"
 # Dev / build
 brew "bfg"
 brew "cfn-lint"
-brew "corepack"
 brew "gcc"
 brew "gh"
 brew "git"
diff --git a/bin/install-software.sh b/bin/install-software.sh
index e509909..5c575e1 100755
--- a/bin/install-software.sh
+++ b/bin/install-software.sh
@@ -160,10 +160,10 @@ fi
 section "mise runtimes"
 mise install
 
-# 8. Yarn via Corepack (Node ships with Corepack; per-project pinning via
-# packageManager).
+# 8. Yarn via Corepack. mise enables Corepack itself (settings.node.corepack);
+# this step only prepopulates a global Yarn so first use doesn't block on a
+# download. Per-project pinning still happens via packageManager.
 section "Yarn via Corepack"
-corepack enable
 corepack install -g yarn@stable
 
 # 9. Claude Code CLI. Not in Homebrew; installed via Anthropic's official
diff --git a/dot_config/mise/config.toml b/dot_config/mise/config.toml
index adf56b7..f1c4b9c 100644
--- a/dot_config/mise/config.toml
+++ b/dot_config/mise/config.toml
@@ -1,3 +1,6 @@
+[settings]
+node.corepack = true
+
 [tool_alias]
 abtop = "cargo:abtop"
 claudectl = "cargo:claudectl"