diff --git a/crypto-primitives/src/nizk/gm17/constraints.rs b/crypto-primitives/src/nizk/gm17/constraints.rs
index 02e6670..7c0c2f5 100644
--- a/crypto-primitives/src/nizk/gm17/constraints.rs
+++ b/crypto-primitives/src/nizk/gm17/constraints.rs
@@ -762,7 +762,7 @@ mod test_recursive {
 
     #[test]
     fn gm17_recursive_verifier_test() {
-        let num_inputs = 100;
+        let num_inputs = 5;
         let num_constraints = num_inputs;
         let rng = &mut test_rng();
         let mut inputs: Vec<Option<MNT4Fq>> = Vec::with_capacity(num_inputs);
diff --git a/crypto-primitives/src/nizk/groth16/constraints.rs b/crypto-primitives/src/nizk/groth16/constraints.rs
index ca13d90..dbf2dc8 100644
--- a/crypto-primitives/src/nizk/groth16/constraints.rs
+++ b/crypto-primitives/src/nizk/groth16/constraints.rs
@@ -705,7 +705,7 @@ mod test_recursive {
 
     #[test]
     fn groth16_recursive_verifier_test() {
-        let num_inputs = 100;
+        let num_inputs = 5;
         let num_constraints = num_inputs;
         let rng = &mut test_rng();
         let mut inputs: Vec<Option<MNT4Fq>> = Vec::with_capacity(num_inputs);