diff --git a/spec/zstd-ruby-streaming-compress_spec.rb b/spec/zstd-ruby-streaming-compress_spec.rb
index 6583b2f..e5a81e6 100644
--- a/spec/zstd-ruby-streaming-compress_spec.rb
+++ b/spec/zstd-ruby-streaming-compress_spec.rb
@@ -115,7 +115,11 @@
           stream << "abc" << "def"
           res = stream.finish
         }
-        expect(Zstd.decompress(r.take)).to eq('abcdef')
+        # Ractor#take was replaced at Ruby 3.5.
+        # https://bugs.ruby-lang.org/issues/21262
+        result = r.respond_to?(:take) ? r.take : r.value
+
+        expect(Zstd.decompress(result)).to eq('abcdef')
       end
     end
   end
diff --git a/spec/zstd-ruby-streaming-decompress_spec.rb b/spec/zstd-ruby-streaming-decompress_spec.rb
index de25b47..e71a1f1 100644
--- a/spec/zstd-ruby-streaming-decompress_spec.rb
+++ b/spec/zstd-ruby-streaming-decompress_spec.rb
@@ -169,7 +169,11 @@
           result << stream.decompress(cstr[10..-1])
           result
         }
-        expect(r.take).to eq('foo bar buzz')
+        # Ractor#take was replaced at Ruby 3.5.
+        # https://bugs.ruby-lang.org/issues/21262
+        result = r.respond_to?(:take) ? r.take : r.value
+
+        expect(result).to eq('foo bar buzz')
       end
     end
   end
diff --git a/spec/zstd-ruby_spec.rb b/spec/zstd-ruby_spec.rb
index 15cc2c7..ddfae47 100644
--- a/spec/zstd-ruby_spec.rb
+++ b/spec/zstd-ruby_spec.rb
@@ -118,7 +118,11 @@ def to_str
     describe 'Ractor' do
       it 'should be supported' do
         r = Ractor.new { Zstd.compress('abc') }
-        expect(Zstd.decompress(r.take)).to eq('abc')
+        # Ractor#take was replaced at Ruby 3.5.
+        # https://bugs.ruby-lang.org/issues/21262
+        result = r.respond_to?(:take) ? r.take : r.value
+
+        expect(Zstd.decompress(result)).to eq('abc')
       end
     end
   end