diff --git a/zebra-state/src/service/finalized_state/tests/prop.rs b/zebra-state/src/service/finalized_state/tests/prop.rs
index 93209b512..f321079e9 100644
--- a/zebra-state/src/service/finalized_state/tests/prop.rs
+++ b/zebra-state/src/service/finalized_state/tests/prop.rs
@@ -12,7 +12,7 @@ use crate::{
     ContextuallyValidBlock,
 };
 
-const DEFAULT_PARTIAL_CHAIN_PROPTEST_CASES: u32 = 32;
+const DEFAULT_PARTIAL_CHAIN_PROPTEST_CASES: u32 = 16;
 
 #[test]
 fn blocks_with_v5_transactions() -> Result<()> {