diff --git a/foundry.toml b/foundry.toml
index e62f889..b4e0dc0 100644
--- a/foundry.toml
+++ b/foundry.toml
@@ -32,7 +32,7 @@ runs = 2048
 [dependencies]
 forge-std = "1.16.2"
 "@openzeppelin-contracts" = "5.6.1"
-"rain-lib-hash" = "0.1.10"
+"rain-lib-hash" = "0.1.27"
 "rain-lib-typecast" = "0.1.4"
 "rain-math-binary" = "0.1.4"
 "rain-sol-codegen" = "0.1.37"
diff --git a/soldeer.lock b/soldeer.lock
index db5b030..317d5ea 100644
--- a/soldeer.lock
+++ b/soldeer.lock
@@ -14,10 +14,10 @@ integrity = "5fb4325b60d7d4194bd0481e2f94398cf1d9c6561dd12a66fb2748ef4a68205f"
 
 [[dependencies]]
 name = "rain-lib-hash"
-version = "0.1.10"
-url = "https://soldeer-revisions.s3.amazonaws.com/rain-lib-hash/0_1_10_03-09-2026_17:15:25_rain.lib.zip"
-checksum = "80eb23760a6c11586ae920e745bb1c5d05956d30ca3d3fce5b41eed09875c796"
-integrity = "4e6e4f93372256209e9ad01c7532c92df980559a87a9919664a65e3d1efb5062"
+version = "0.1.27"
+url = "https://soldeer-revisions.s3.amazonaws.com/rain-lib-hash/0_1_27_16-09-2026_11:52:52_rain.lib.zip"
+checksum = "7a25602d78180e82ac330d1f1b44609589e8efa42d7a3553f926445dbda64256"
+integrity = "ba9fc2ff053bf801fc1b05e5b192fe5b8ade545c408f33874f473bfc39d2d3f0"
 
 [[dependencies]]
 name = "rain-lib-typecast"
diff --git a/src/lib/caller/LibContext.sol b/src/lib/caller/LibContext.sol
index 74afe85..f8ff48a 100644
--- a/src/lib/caller/LibContext.sol
+++ b/src/lib/caller/LibContext.sol
@@ -2,7 +2,7 @@
 // SPDX-FileCopyrightText: Copyright (c) 2020 Rain Open Source Software Ltd
 pragma solidity ^0.8.25;
 
-import {LibHashNoAlloc, HASH_NIL} from "rain-lib-hash-0.1.10/src/LibHashNoAlloc.sol";
+import {LibHashNoAlloc, HASH_NIL} from "rain-lib-hash-0.1.27/src/lib/LibHashNoAlloc.sol";
 
 import {SignatureChecker} from "@openzeppelin-contracts-5.6.1/utils/cryptography/SignatureChecker.sol";
 import {MessageHashUtils} from "@openzeppelin-contracts-5.6.1/utils/cryptography/MessageHashUtils.sol";
diff --git a/test/src/lib/caller/LibContextSlow.sol b/test/src/lib/caller/LibContextSlow.sol
index cbcb086..5816990 100644
--- a/test/src/lib/caller/LibContextSlow.sol
+++ b/test/src/lib/caller/LibContextSlow.sol
@@ -2,7 +2,7 @@
 // SPDX-FileCopyrightText: Copyright (c) 2020 Rain Open Source Software Ltd
 pragma solidity =0.8.25;
 
-import {LibHashNoAlloc, HASH_NIL} from "rain-lib-hash-0.1.10/src/LibHashNoAlloc.sol";
+import {LibHashNoAlloc, HASH_NIL} from "rain-lib-hash-0.1.27/src/lib/LibHashNoAlloc.sol";
 import {LibCast} from "rain-lib-typecast-0.1.4/src/LibCast.sol";
 import {LibUint256Array} from "rain-solmem-0.1.28/src/lib/LibUint256Array.sol";