diff --git a/Gemfile.lock b/Gemfile.lock
index 402fc59..2241a30 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,8 +52,8 @@ GEM
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     net-ldap (0.19.0)
-    nio4r (2.5.9)
-    nio4r (2.5.9-java)
+    nio4r (2.7.0)
+    nio4r (2.7.0-java)
     opentelemetry-api (1.2.3)
     opentelemetry-common (0.20.0)
       opentelemetry-api (~> 1.0)
@@ -111,9 +111,9 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
       spoon (~> 0.0)
-    puma (6.4.0)
+    puma (6.4.1)
       nio4r (~> 2.0)
-    puma (6.4.0-java)
+    puma (6.4.1-java)
       nio4r (~> 2.0)
     racc (1.7.1)
     racc (1.7.1-java)