diff --git a/.gitmodules b/.gitmodules
index 80b9773..cb69422 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "lib/forge-std"]
 	path = lib/forge-std
 	url = https://github.com/foundry-rs/forge-std
-	branch = v1.5.2
+	branch = v1.6.0
diff --git a/lib/forge-std b/lib/forge-std
index 2b58ecb..74cfb77 160000
--- a/lib/forge-std
+++ b/lib/forge-std
@@ -1 +1 @@
-Subproject commit 2b58ecbcf3dfde7a75959dc7b4eb3d0670278de6
+Subproject commit 74cfb77e308dd188d2f58864aaf44963ae6b88b1
diff --git a/test/Rln.t.sol b/test/Rln.t.sol
index b76078f..511f22f 100644
--- a/test/Rln.t.sol
+++ b/test/Rln.t.sol
@@ -77,7 +77,7 @@ contract RlnTest is Test {
         // avoid precompiles, etc
         // TODO: wrap both of these in a single function
         assumePayable(to);
-        assumeNoPrecompiles(to);
+        assumeNotPrecompile(to);
         vm.assume(to != address(0));
 
         rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
@@ -118,7 +118,7 @@ contract RlnTest is Test {
     function test__InvalidSlash__NoStake(uint256 idCommitment, address payable to) public {
         // avoid precompiles, etc
         assumePayable(to);
-        assumeNoPrecompiles(to);
+        assumeNotPrecompile(to);
         vm.assume(to != address(0));
 
         rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
@@ -171,7 +171,7 @@ contract RlnTest is Test {
 
     function test__ValidWithdraw(address payable to) public {
         assumePayable(to);
-        assumeNoPrecompiles(to);
+        assumeNotPrecompile(to);
 
         uint256 idCommitment = 19014214495641488759237505126948346942972912379615652741039992445865937985820;