diff --git a/lib/ruby_wasm/cli.rb b/lib/ruby_wasm/cli.rb
index 1cee11c770..b0575494ac 100644
--- a/lib/ruby_wasm/cli.rb
+++ b/lib/ruby_wasm/cli.rb
@@ -244,7 +244,7 @@ def self.build_source_aliases(root)
         },
         "3.3" => {
           type: "tarball",
-          url: "https://cache.ruby-lang.org/pub/ruby/3.3/ruby-3.3.1.tar.gz",
+          url: "https://cache.ruby-lang.org/pub/ruby/3.3/ruby-3.3.3.tar.gz",
           all_default_exts: "bigdecimal,cgi/escape,continuation,coverage,date,dbm,digest/bubblebabble,digest,digest/md5,digest/rmd160,digest/sha1,digest/sha2,etc,fcntl,fiber,gdbm,json,json/generator,json/parser,nkf,objspace,pathname,psych,racc/cparse,rbconfig/sizeof,ripper,stringio,strscan,monitor,zlib,openssl",
         },
         "3.2" => {