diff --git a/Gemfile.lock b/Gemfile.lock
index cd41eb7..6625a61 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     multipart-post (2.1.1)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     oauth2 (1.4.3)
       faraday (>= 0.8, < 2.0)
       jwt (>= 1.0, < 3.0)
@@ -33,7 +33,7 @@ GEM
       oauth2 (~> 1.1)
       omniauth (~> 1.9)
     pg (1.2.2)
-    puma (4.3.5)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-protection (2.0.8.1)