diff --git a/.zshrc b/.zshrc
index a5b525d2..53b26e5c 100644
--- a/.zshrc
+++ b/.zshrc
@@ -85,6 +85,8 @@ export FZF_DEFAULT_COMMAND="fd --type f --strip-cwd-prefix --hidden --follow --e
 export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
 export FZF_ALT_C_COMMAND="fd --type d --strip-cwd-prefix --hidden --follow --exclude .git"
 
+export RUBY_YJIT_ENABLE=true
+
 # Source additional local files if they exist.
 if (( $+commands[fzf] )); then
   [[ $- == *i* ]] && z4h source ${HOMEBREW_PREFIX:+$HOMEBREW_PREFIX/opt/fzf/shell/completion.zsh}