diff --git a/.zshrc b/.zshrc
index 1df607f..5eaf926 100644
--- a/.zshrc
+++ b/.zshrc
@@ -50,3 +50,9 @@ zinit ice depth=1; zinit light romkatv/powerlevel10k
 
 # To customize prompt, run `p10k configure` or edit ~/.p10k.zsh.
 [[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh
+
+# zsh-history-substring-search
+zinit light zsh-users/zsh-history-substring-search
+bindkey '^[[A' history-substring-search-up
+bindkey '^[[B' history-substring-search-down
+export HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE=true
\ No newline at end of file