diff --git a/pkgs/applications/version-management/gitaly/Gemfile.lock b/pkgs/applications/version-management/gitaly/Gemfile.lock
index 2687952c805ba..a1e39dca819f3 100644
--- a/pkgs/applications/version-management/gitaly/Gemfile.lock
+++ b/pkgs/applications/version-management/gitaly/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.3.0)
     charlock_holmes (0.7.6)
     concurrent-ruby (1.0.5)
@@ -89,7 +89,7 @@ GEM
       ast (~> 2.2)
     posix-spawn (0.3.13)
     powerpack (0.1.1)
-    public_suffix (3.0.2)
+    public_suffix (5.0.0)
     rainbow (2.2.2)
       rake
     rake (12.1.0)