diff --git a/math/proptest-regressions/stableswap/tests/invariants.txt b/math/proptest-regressions/stableswap/tests/invariants.txt
new file mode 100644
index 0000000000..53b9c55cdf
--- /dev/null
+++ b/math/proptest-regressions/stableswap/tests/invariants.txt
@@ -0,0 +1,11 @@
+# Seeds for failure cases proptest has generated in the past. It is
+# automatically read and these particular cases re-run before any
+# novel cases are generated.
+#
+# It is recommended to check this file in to source control so that
+# everyone who runs the test benefits from these saved cases.
+cc 25c9d46027af5640b9cce25c1970d5378de64752dd1c9520f5757251db333d27 # shrinks to pool = [AssetReserve { amount: 368323000000, decimals: 6 }, AssetReserve { amount: 380987625000000, decimals: 6 }, AssetReserve { amount: 488969232000000, decimals: 6 }, AssetReserve { amount: 12656000000, decimals: 6 }], amount = 241, amp = 6682, (idx_in, idx_out) = (1, 3)
+cc b8acd18b42aad7c2bf2fb1869de4f133a49e05a5fd165865f781cadd006488c9
+cc b8ffdc09a03ed41698bc59c46d68585ee05e238c14fd8d53d3b7fb0cedfabe3b
+cc 3b86f211644d954ca6a8212758cd01d579c3b1d0cfe5cc615ff25726df7d1fb0
+cc 63a30c69dc9a73f7cfc9c21fc4cc75e88026f721c3fa9b2b8eaa514e988e2649
diff --git a/pallets/stableswap/proptest-regressions/tests/invariants.txt b/pallets/stableswap/proptest-regressions/tests/invariants.txt
index 38e4dc1826..b65bbd177e 100644
--- a/pallets/stableswap/proptest-regressions/tests/invariants.txt
+++ b/pallets/stableswap/proptest-regressions/tests/invariants.txt
@@ -1 +1,5 @@
 cc 5f78856750028eda0c4274967a6c8f5efbd12733a1c56e1bc21f5614207b3d50
+cc 28f84620990c9c6eda54aedaadd468b48c1c59b7bf764fa34e0a996bb2e46734
+cc c20811236902f97594d03d6c38aa2f0b3df8e4648dc8e1188143974c8288c70a
+cc 2ed2487f9d3cb538542c5708d1ba6aac65652cc3f528146b55e2c75ac0ffc496
+cc 27b82abda5ad33d86dfb6ed6fd858266df32fb61d7056310a538c92fbbebb17f