diff --git a/dot_config/bash/dot_bashrc b/dot_config/bash/dot_bashrc
index 87dfb42..8bbf497 100644
--- a/dot_config/bash/dot_bashrc
+++ b/dot_config/bash/dot_bashrc
@@ -20,6 +20,10 @@ set +a
 
 # Bash XDG history
 export HISTFILE="$XDG_STATE_HOME"/bash/history
+export HISTSIZE=10000
+export SAVEHIST=10000
+export HISTCONTROL=ignoredups:erasedups
+shopt -s histappend
 
 # Helpful tool: https://bash-prompt-generator.org
 # On github: https://github.com/Scriptim/bash-prompt-generator
diff --git a/dot_config/zsh/dot_zshrc b/dot_config/zsh/dot_zshrc
index c2ad011..5b39916 100644
--- a/dot_config/zsh/dot_zshrc
+++ b/dot_config/zsh/dot_zshrc
@@ -32,6 +32,9 @@ bindkey "^[[3~" delete-char
 export HISTFILE="$XDG_STATE_HOME"/zsh/history
 export HISTSIZE=10000
 export SAVEHIST=10000
+setopt HIST_EXPIRE_DUPS_FIRST
+setopt HIST_IGNORE_DUPS
+setopt HIST_IGNORE_ALL_DUPS
 setopt INC_APPEND_HISTORY_TIME
 
 # Helpful tool: https://zsh-prompt-generator.site/