diff --git a/test/signatures/OneStepProofEntry b/test/signatures/OneStepProofEntry
new file mode 100644
index 00000000..404d208c
--- /dev/null
+++ b/test/signatures/OneStepProofEntry
@@ -0,0 +1,9 @@
+{
+  "getEndMachineHash(uint8,bytes32)": "d8558b87",
+  "getStartMachineHash(bytes32,bytes32)": "04997be4",
+  "proveOneStep((uint256,address),uint256,bytes32,bytes)": "5d3adcfb",
+  "prover0()": "30a5509f",
+  "proverHostIo()": "5f52fd7c",
+  "proverMath()": "66e5d9c3",
+  "proverMem()": "1f128bc0"
+}
diff --git a/test/signatures/test-sigs.bash b/test/signatures/test-sigs.bash
index 4ff16cc3..70193d7f 100755
--- a/test/signatures/test-sigs.bash
+++ b/test/signatures/test-sigs.bash
@@ -1,6 +1,6 @@
 #!/bin/bash
 output_dir="./test/signatures"
-for CONTRACTNAME in Bridge Inbox Outbox RollupCore RollupUserLogic RollupAdminLogic SequencerInbox ChallengeManager ERC20Bridge ERC20Inbox ERC20Outbox BridgeCreator DeployHelper RollupCreator
+for CONTRACTNAME in Bridge Inbox Outbox RollupCore RollupUserLogic RollupAdminLogic SequencerInbox ChallengeManager ERC20Bridge ERC20Inbox ERC20Outbox BridgeCreator DeployHelper RollupCreator OneStepProofEntry
 do
     echo "Checking for signature changes in $CONTRACTNAME"
     [ -f "$output_dir/$CONTRACTNAME" ] && mv "$output_dir/$CONTRACTNAME" "$output_dir/$CONTRACTNAME-old"