diff --git a/ops/docker/ci-builder/Dockerfile b/ops/docker/ci-builder/Dockerfile
index a390b8bbda09d..1646b227df185 100644
--- a/ops/docker/ci-builder/Dockerfile
+++ b/ops/docker/ci-builder/Dockerfile
@@ -16,7 +16,7 @@ WORKDIR /opt/foundry
 # Only diff from upstream docker image is this clone instead
 # of COPY. We select a specific commit to use.
 RUN git clone https://github.com/foundry-rs/foundry.git . \
-    && git checkout 8f3fca9c608d58981daaffe11e7f8076644cb753
+    && git checkout da2392e58bb8a7fefeba46b40c4df1afad8ccd22
 
 RUN source $HOME/.profile && \
     cargo build --release && \
diff --git a/packages/contracts-bedrock/contracts/test/Bytes.t.sol b/packages/contracts-bedrock/contracts/test/Bytes.t.sol
index b567c7e74b766..21bb4902e3ef3 100644
--- a/packages/contracts-bedrock/contracts/test/Bytes.t.sol
+++ b/packages/contracts-bedrock/contracts/test/Bytes.t.sol
@@ -139,16 +139,20 @@ contract Bytes_slice_Test is Test {
         vm.assume(_length <= _input.length - _start);
 
         // Grab the free memory pointer before the slice operation
-        uint256 initPtr;
+        uint64 initPtr;
         assembly {
             initPtr := mload(0x40)
         }
+        uint64 expectedPtr = uint64(initPtr + 0x20 + ((_length + 0x1f) & ~uint256(0x1f)));
+
+        // Ensure that all memory outside of the expected range is safe.
+        vm.expectSafeMemory(initPtr, expectedPtr);
 
         // Slice the input bytes array from `_start` to `_start + _length`
         bytes memory slice = Bytes.slice(_input, _start, _length);
 
         // Grab the free memory pointer after the slice operation
-        uint256 finalPtr;
+        uint64 finalPtr;
         assembly {
             finalPtr := mload(0x40)
         }
@@ -165,10 +169,11 @@ contract Bytes_slice_Test is Test {
             // Note that we use a slightly less efficient, but equivalent method of rounding
             // up `_length` to the next multiple of 32 than is used in the `slice` function.
             // This is to diff test the method used in `slice`.
-            assertEq(finalPtr, initPtr + 0x20 + (((_length + 0x1F) >> 5) << 5));
+            uint64 _expectedPtr = uint64(initPtr + 0x20 + (((_length + 0x1F) >> 5) << 5));
+            assertEq(finalPtr, _expectedPtr);
 
             // Sanity check for equivalence of the rounding methods.
-            assertEq(((_length + 0x1F) >> 5) << 5, (_length + 0x1F) & ~uint256(0x1F));
+            assertEq(_expectedPtr, expectedPtr);
         }
 
         // The slice length should be equal to `_length`
diff --git a/packages/contracts-bedrock/package.json b/packages/contracts-bedrock/package.json
index e9db0cad59ca1..400378e7d0fb1 100644
--- a/packages/contracts-bedrock/package.json
+++ b/packages/contracts-bedrock/package.json
@@ -77,7 +77,7 @@
     "dotenv": "^16.0.0",
     "ds-test": "https://github.com/dapphub/ds-test.git#9310e879db8ba3ea6d5c6489a579118fd264a3f5",
     "ethereum-waffle": "^3.0.0",
-    "forge-std": "https://github.com/foundry-rs/forge-std.git#fd86115ed6aba8e234ee0fb86c12fe35eff0b2a0",
+    "forge-std": "https://github.com/foundry-rs/forge-std.git#46264e9788017fc74f9f58b7efa0bc6e1df6d410",
     "glob": "^7.1.6",
     "hardhat-deploy": "^0.11.4",
     "solhint": "^3.3.7",
diff --git a/yarn.lock b/yarn.lock
index 21435f664d9c0..f684f3b83a1b2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11471,14 +11471,14 @@ forever-agent@~0.6.1:
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
   integrity sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=
 
+"forge-std@https://github.com/foundry-rs/forge-std.git#46264e9788017fc74f9f58b7efa0bc6e1df6d410":
+  version "1.5.2"
+  resolved "https://github.com/foundry-rs/forge-std.git#46264e9788017fc74f9f58b7efa0bc6e1df6d410"
+
 "forge-std@https://github.com/foundry-rs/forge-std.git#53331f4cb2e313466f72440f3e73af048c454d02":
   version "1.2.0"
   resolved "https://github.com/foundry-rs/forge-std.git#53331f4cb2e313466f72440f3e73af048c454d02"
 
-"forge-std@https://github.com/foundry-rs/forge-std.git#fd86115ed6aba8e234ee0fb86c12fe35eff0b2a0":
-  version "1.4.0"
-  resolved "https://github.com/foundry-rs/forge-std.git#fd86115ed6aba8e234ee0fb86c12fe35eff0b2a0"
-
 form-data@^2.2.0:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.1.tgz#f2cbec57b5e59e23716e128fe44d4e5dd23895f4"