diff --git a/default.conf.yaml b/default.conf.yaml
index 90edef7..b27c263 100644
--- a/default.conf.yaml
+++ b/default.conf.yaml
@@ -7,7 +7,7 @@
     - ./bin/set-colors
     - ./task/install
 
-- clean: ['~', '~/.config']
+- clean: ["~", "~/.config"]
 
 - link:
     ~/bin: bin/
@@ -33,6 +33,7 @@
     ~/.my.cnf: mysql/.my.cnf
     ~/.npmrc: npm/.npmrc
     ~/.psqlrc: psql/.psqlrc
+    ~/.psqlrc-readonly: psql/.psqlrc-readonly
     ~/.rgignore: etc/rgignore
     ~/.tmux.conf: tmux/.tmux.conf
     ~/.vimrc: vim/.vimrc
diff --git a/psql/.psqlrc-readonly b/psql/.psqlrc-readonly
new file mode 100644
index 0000000..761012d
--- /dev/null
+++ b/psql/.psqlrc-readonly
@@ -0,0 +1,3 @@
+\pset expanded auto
+
+SET SESSION CHARACTERISTICS AS TRANSACTION READ ONLY;
diff --git a/zsh/aliases b/zsh/aliases
index d58c454..fff95b5 100644
--- a/zsh/aliases
+++ b/zsh/aliases
@@ -29,6 +29,8 @@ alias filestamp='date --utc "+%Y%m%dT%H%M%S"'
 
 alias see='pee "cat >&2"'
 
+alias psql-ro='PSQLRC=~/.psqlrc-readonly psql'
+
 docker-ip() {
     docker inspect "$1" --format='{{.NetworkSettings.Networks.bridge.IPAddress}}'
 }