diff --git a/fuzz/url_pattern.cc b/fuzz/url_pattern.cc
index cbc1c8c06..0873ea7da 100644
--- a/fuzz/url_pattern.cc
+++ b/fuzz/url_pattern.cc
@@ -8,8 +8,8 @@
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   FuzzedDataProvider fdp(data, size);
-  std::string source = fdp.ConsumeRandomLengthString(256);
-  std::string base_source = fdp.ConsumeRandomLengthString(256);
+  std::string source = fdp.ConsumeRandomLengthString(50);
+  std::string base_source = fdp.ConsumeRandomLengthString(50);
 
   // Without base or options
   auto result = ada::parse_url_pattern(source, nullptr, nullptr);
diff --git a/fuzz/url_pattern.options b/fuzz/url_pattern.options
index 5f55a006d..c80226c80 100644
--- a/fuzz/url_pattern.options
+++ b/fuzz/url_pattern.options
@@ -1,4 +1,4 @@
 [libfuzzer]
 dict = url.dict
-max_len = 512
-rss_limit_mb = 10000
+max_len = 100
+rss_limit_mb = 16000