diff --git a/.gitignore b/.gitignore
index 1f3bebe..5494fb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,6 +49,14 @@
 # Bash.
 !/.bash_profile
 
+# Firefox.
+!/.mozilla/
+/.mozilla/*
+!/.mozilla/firefox/
+/.mozilla/firefox/*
+!/.mozilla/firefox/profiles.ini
+!/.mozilla/firefox/installs.ini
+
 # Bin.
 !/app/bin/
 !/app/bin/**
diff --git a/.mozilla/firefox/installs.ini b/.mozilla/firefox/installs.ini
new file mode 100644
index 0000000..76c1fdd
--- /dev/null
+++ b/.mozilla/firefox/installs.ini
@@ -0,0 +1,4 @@
+[CF146F38BCAB2D21]
+Default=voronind
+Locked=1
+
diff --git a/.mozilla/firefox/profiles.ini b/.mozilla/firefox/profiles.ini
new file mode 100644
index 0000000..a23a2d5
--- /dev/null
+++ b/.mozilla/firefox/profiles.ini
@@ -0,0 +1,14 @@
+[InstallCF146F38BCAB2D21]
+Default=voronind
+Locked=1
+
+[Profile0]
+Default=1
+IsRelative=1
+Name=voronind
+Path=voronind
+
+[General]
+StartWithLastProfile=1
+Version=2
+