diff --git a/Sources/tart/Commands/Run.swift b/Sources/tart/Commands/Run.swift
index 46cf872..e98269d 100644
--- a/Sources/tart/Commands/Run.swift
+++ b/Sources/tart/Commands/Run.swift
@@ -1065,7 +1065,7 @@ struct DirectoryShare {
     process.standardInput = inPipe
     process.launch()
 
-    inPipe.fileHandleForWriting.write(response!.data)
+    try inPipe.fileHandleForWriting.write(contentsOf: response!.data)
     try inPipe.fileHandleForWriting.close()
     process.waitUntilExit()
 
diff --git a/Sources/tart/Credentials/DockerConfigCredentialsProvider.swift b/Sources/tart/Credentials/DockerConfigCredentialsProvider.swift
index 5f74033..6be901f 100644
--- a/Sources/tart/Credentials/DockerConfigCredentialsProvider.swift
+++ b/Sources/tart/Credentials/DockerConfigCredentialsProvider.swift
@@ -36,7 +36,11 @@ class DockerConfigCredentialsProvider: CredentialsProvider {
 
     process.launch()
 
-    inPipe.fileHandleForWriting.write("\(host)\n".data(using: .utf8)!)
+    do {
+      try inPipe.fileHandleForWriting.write(contentsOf: "\(host)\n".data(using: .utf8)!)
+    } catch {
+      throw CredentialsProviderError.Failed(message: "Failed to write host to Docker helper!")
+    }
     inPipe.fileHandleForWriting.closeFile()
 
     let outputData = try outPipe.fileHandleForReading.readToEnd()
diff --git a/Sources/tart/OCI/Layerizer/DiskV1.swift b/Sources/tart/OCI/Layerizer/DiskV1.swift
index ff11495..9c59a00 100644
--- a/Sources/tart/OCI/Layerizer/DiskV1.swift
+++ b/Sources/tart/OCI/Layerizer/DiskV1.swift
@@ -57,7 +57,7 @@ class DiskV1: Disk {
     // Decompress the layers onto the disk in a single stream
     let filter = try OutputFilter(.decompress, using: .lz4, bufferCapacity: Self.bufferSizeBytes) { data in
       if let data = data {
-        disk.write(data)
+        try disk.write(contentsOf: data)
       }
     }
 
diff --git a/Sources/tart/OCI/Layerizer/DiskV2.swift b/Sources/tart/OCI/Layerizer/DiskV2.swift
index 78180a6..2239985 100644
--- a/Sources/tart/OCI/Layerizer/DiskV2.swift
+++ b/Sources/tart/OCI/Layerizer/DiskV2.swift
@@ -268,7 +268,7 @@ class DiskV2: Disk {
 
           if chunk != actualContentsOnDisk {
             try disk.seek(toOffset: offset)
-            disk.write(chunk)
+            try disk.write(contentsOf: chunk)
           }
         }
 
@@ -282,7 +282,7 @@ class DiskV2: Disk {
       // is zeroed via truncate(2)
       if chunk != zeroChunk {
         try disk.seek(toOffset: offset)
-        disk.write(chunk)
+        try disk.write(contentsOf: chunk)
       }
 
       offset += UInt64(chunk.count)
diff --git a/Sources/tart/VM.swift b/Sources/tart/VM.swift
index 714d698..39450de 100644
--- a/Sources/tart/VM.swift
+++ b/Sources/tart/VM.swift
@@ -115,7 +115,7 @@ class VM: NSObject, VZVirtualMachineDelegate, ObservableObject {
     let digest = Digest()
 
     for try await chunk in channel {
-      fileHandle.write(chunk)
+      try fileHandle.write(contentsOf: chunk)
       digest.update(chunk)
       progress.completedUnitCount += Int64(chunk.count)
     }
diff --git a/Sources/tart/VMDirectory+OCI.swift b/Sources/tart/VMDirectory+OCI.swift
index 6b642d8..98d1d11 100644
--- a/Sources/tart/VMDirectory+OCI.swift
+++ b/Sources/tart/VMDirectory+OCI.swift
@@ -24,7 +24,7 @@ extension VMDirectory {
     }
     let configFile = try FileHandle(forWritingTo: configURL)
     try await registry.pullBlob(configLayers.first!.digest) { data in
-      configFile.write(data)
+      try configFile.write(contentsOf: data)
     }
     try configFile.close()
 
@@ -79,7 +79,7 @@ extension VMDirectory {
     }
     let nvram = try FileHandle(forWritingTo: nvramURL)
     try await registry.pullBlob(nvramLayers.first!.digest) { data in
-      nvram.write(data)
+      try nvram.write(contentsOf: data)
     }
     try nvram.close()