diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6aa7b94..0c3b275 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 * Enable `nlinum-mode` by default. Can be disabled by setting `prelude-minimalistic-ui` to `nil`.
 * Enable site-wide installation for Prelude.
+* Auto-installs `julia-mode` if needed.
 
 ### Changes
 
diff --git a/core/prelude-packages.el b/core/prelude-packages.el
index 800af9e..eddb179 100644
--- a/core/prelude-packages.el
+++ b/core/prelude-packages.el
@@ -165,6 +165,7 @@ PACKAGE is installed only if not already present.  The file is opened in MODE."
     ("\\.groovy\\'" groovy-mode groovy-mode)
     ("\\.haml\\'" haml-mode haml-mode)
     ("\\.hs\\'" haskell-mode haskell-mode)
+    ("\\.jl\\'" julia-mode julia-mode)
     ("\\.json\\'" json-mode json-mode)
     ("\\.kt\\'" kotlin-mode kotlin-mode)
     ("\\.kv\\'" kivy-mode kivy-mode)