diff --git a/src/lib/crypto/proof-systems b/src/lib/crypto/proof-systems
index ff424faac612..b93e64ccf04e 160000
--- a/src/lib/crypto/proof-systems
+++ b/src/lib/crypto/proof-systems
@@ -1 +1 @@
-Subproject commit ff424faac6121ba0cead4adc28ca45c9cdc5ca46
+Subproject commit b93e64ccf04efd0ee6b4de9f3b3365ed58b118ff