diff --git a/src/StructuredLogger/Serialization/Binary/BinaryLogReader.cs b/src/StructuredLogger/Serialization/Binary/BinaryLogReader.cs
index 05e6286c..daa078a9 100644
--- a/src/StructuredLogger/Serialization/Binary/BinaryLogReader.cs
+++ b/src/StructuredLogger/Serialization/Binary/BinaryLogReader.cs
@@ -11,6 +11,7 @@ public class BinaryLogReader : IDisposable
         private readonly Queue<string> attributes = new Queue<string>(10);
 
         private readonly bool formatSupportsSourceFiles;
+        private readonly bool formatSupportsEmbeddedProjectImportsArchive;
 
         public static Build Read(string filePath)
         {
@@ -25,7 +26,7 @@ public static Build Read(string filePath)
                 }
 
                 var projectImportsZip = Path.ChangeExtension(filePath, ".ProjectImports.zip");
-                if (File.Exists(projectImportsZip))
+                if (build.SourceFilesArchive == null && File.Exists(projectImportsZip))
                 {
                     build.SourceFilesArchive = File.ReadAllBytes(projectImportsZip);
                 }
@@ -39,6 +40,7 @@ private BinaryLogReader(string filePath)
             this.filePath = filePath;
             this.reader = new TreeBinaryReader(filePath);
             this.formatSupportsSourceFiles = reader.Version > new Version(1, 0, 130);
+            this.formatSupportsEmbeddedProjectImportsArchive = reader.Version > new Version(1, 1, 87);
         }
 
         private object ReadNode()
@@ -64,6 +66,11 @@ private object ReadNode()
                 }
             }
 
+            if (node is Build build && formatSupportsEmbeddedProjectImportsArchive)
+            {
+                build.SourceFilesArchive = reader.ReadByteArray();
+            }
+
             return node;
         }
 
diff --git a/src/StructuredLogger/Serialization/Binary/BinaryLogWriter.cs b/src/StructuredLogger/Serialization/Binary/BinaryLogWriter.cs
index 92cf3a6c..801ed797 100644
--- a/src/StructuredLogger/Serialization/Binary/BinaryLogWriter.cs
+++ b/src/StructuredLogger/Serialization/Binary/BinaryLogWriter.cs
@@ -27,6 +27,11 @@ private void WriteNode(object node)
             WriteAttributes(node);
             writer.WriteEndAttributes();
             WriteChildren(node);
+
+            if (node is Build build)
+            {
+                writer.WriteByteArray(build.SourceFilesArchive);
+            }
         }
 
         private void WriteChildren(object node)
diff --git a/src/StructuredLogger/Serialization/Binary/TreeBinaryReader.cs b/src/StructuredLogger/Serialization/Binary/TreeBinaryReader.cs
index 5e65e5f4..c310d5d5 100644
--- a/src/StructuredLogger/Serialization/Binary/TreeBinaryReader.cs
+++ b/src/StructuredLogger/Serialization/Binary/TreeBinaryReader.cs
@@ -38,6 +38,17 @@ public TreeBinaryReader(string filePath)
 
         public string[] StringTable => stringTable;
 
+        public byte[] ReadByteArray()
+        {
+            int length = binaryReader.ReadInt32();
+            if (length > 0)
+            {
+                return binaryReader.ReadBytes(length);
+            }
+
+            return null;
+        }
+
         public void ReadStringArray(Queue<string> array)
         {
             array.Clear();
diff --git a/src/StructuredLogger/Serialization/Binary/TreeBinaryWriter.cs b/src/StructuredLogger/Serialization/Binary/TreeBinaryWriter.cs
index 45f12372..cddce848 100644
--- a/src/StructuredLogger/Serialization/Binary/TreeBinaryWriter.cs
+++ b/src/StructuredLogger/Serialization/Binary/TreeBinaryWriter.cs
@@ -100,6 +100,16 @@ private void WriteStringTable()
             }
         }
 
+        public void WriteByteArray(byte[] bytes)
+        {
+            bytes = bytes ?? Array.Empty<byte>();
+            treeNodesStreamBinaryWriter.Write(bytes.Length);
+            if (bytes.Length > 0)
+            {
+                treeNodesStreamBinaryWriter.Write(bytes);
+            }
+        }
+
         private Stream DestinationStream => gzipStream;
 
         public void Dispose()