diff --git a/bash/environment b/bash/environment
index edc85c0..996d10a 100644
--- a/bash/environment
+++ b/bash/environment
@@ -18,8 +18,8 @@ HISTCONTROL=ignoredups:ignorespace
 shopt -s histappend
 
 # for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
-HISTSIZE=10000
-HISTFILESIZE=20000
+HISTSIZE=100000
+HISTFILESIZE=200000
 
 # check the window size after each command and, if necessary,
 # update the values of LINES and COLUMNS.