diff --git a/recipes/rubies.yml b/recipes/rubies.yml
index f0cc08e..7c09905 100644
--- a/recipes/rubies.yml
+++ b/recipes/rubies.yml
@@ -335,3 +335,8 @@ rubies:
     series: '4.0'
     url: https://cache.ruby-lang.org/pub/ruby/4.0/ruby-4.0.7.tar.gz
     sha256: 911ace20f90d068ca0e4dda6d0e4f0f81e52e52f2dd4f4004c721e253412e82d
+  4.1.0-preview1:
+    series: '4.1'
+    url: https://cache.ruby-lang.org/pub/ruby/4.1/ruby-4.1.0-preview1.tar.gz
+    sha256: fb530bb88e90de3ae91c1310a27ae090e6bd989b8726de50ef12a890a85b88ef
+    version: 4.1.0-preview1
diff --git a/recipes/series.yml b/recipes/series.yml
index 346d35a..c1dcdf4 100644
--- a/recipes/series.yml
+++ b/recipes/series.yml
@@ -231,3 +231,4 @@ series:
   "3.4": {}
   "3.5": {}
   "4.0": {}
+  "4.1": {}