diff --git a/Gemfile.lock b/Gemfile.lock
index 188bc8a..b2db7e8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,21 +207,23 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minima (2.5.0)
       jekyll (~> 3.5)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.13.0)
     multipart-post (2.1.1)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.19.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)
+    racc (1.5.2)
     rainbow (3.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
diff --git a/_posts/0000-01-02-lsq2wal.md b/_posts/0000-01-02-lsq2wal.md
new file mode 100644
index 0000000..1746b99
--- /dev/null
+++ b/_posts/0000-01-02-lsq2wal.md
@@ -0,0 +1,6 @@
+---
+layout: slide
+title: "Welcome to our second slide!"
+---
+Your text
+Use the left arrow to go back!