diff --git a/zomes/chat/tests/batching.proptest-regressions b/zomes/chat/tests/batching.proptest-regressions
index 040dbf6..d0e1420 100644
--- a/zomes/chat/tests/batching.proptest-regressions
+++ b/zomes/chat/tests/batching.proptest-regressions
@@ -5,3 +5,4 @@
 # It is recommended to check this file in to source control so that
 # everyone who runs the test benefits from these saved cases.
 cc cfbaea55e7c9166e0bd942ad12c344b65b2c1d8c4afe78650461d65a8bbc8d3e # shrinks to length = 1
+cc 8ef532743533e807e2444c3394021592851bce270b883e991fcf6abb526824ad # shrinks to length = 1
diff --git a/zomes/chat/tests/batching.rs b/zomes/chat/tests/batching.rs
index 2a1012e..0a28a07 100644
--- a/zomes/chat/tests/batching.rs
+++ b/zomes/chat/tests/batching.rs
@@ -7,9 +7,9 @@ use holochain::sweettest::*;
 use proptest::prelude::*;
 
 proptest! {
-    #![proptest_config(ProptestConfig::with_cases(5))]
+    #![proptest_config(ProptestConfig::with_cases(10))]
     #[test]
-    fn test_batching(length in 1i32..20) {
+    fn test_batching(length in 1000i32..1001) {
         match tokio::runtime::Runtime::new() {
             Ok(rt) => {
                 let _ = rt.block_on(async move {
@@ -74,7 +74,7 @@ proptest! {
                     let lmpi = ListMessagesInput {
                         channel: channel.entry.clone(),
                         earliest_seen: Some(time),
-                        target_message_count: 100,
+                        target_message_count: length as usize + 2,
                     };
 
                     let alice_msgs: ListMessages = conductor