diff --git a/src/Workspaces/Core/Portable/PublicAPI.Unshipped.txt b/src/Workspaces/Core/Portable/PublicAPI.Unshipped.txt
index 5a3f939de6a22914540b8b007f35eea0423511fe..99b0a556faea430651c24597e2f6fdcabb213854 100644
--- a/src/Workspaces/Core/Portable/PublicAPI.Unshipped.txt
+++ b/src/Workspaces/Core/Portable/PublicAPI.Unshipped.txt
@@ -10,6 +10,7 @@ Microsoft.CodeAnalysis.Solution.AddAnalyzerConfigDocuments(System.Collections.Im
 Microsoft.CodeAnalysis.Solution.ContainsAnalyzerConfigDocument(Microsoft.CodeAnalysis.DocumentId documentId) -> bool
 Microsoft.CodeAnalysis.Solution.GetAnalyzerConfigDocument(Microsoft.CodeAnalysis.DocumentId documentId) -> Microsoft.CodeAnalysis.AnalyzerConfigDocument
 Microsoft.CodeAnalysis.Solution.RemoveAnalyzerConfigDocument(Microsoft.CodeAnalysis.DocumentId documentId) -> Microsoft.CodeAnalysis.Solution
+Microsoft.CodeAnalysis.Solution.WithAnalyzerConfigDocumentText(Microsoft.CodeAnalysis.DocumentId documentId, Microsoft.CodeAnalysis.Text.SourceText text, Microsoft.CodeAnalysis.PreservationMode mode = Microsoft.CodeAnalysis.PreservationMode.PreserveValue) -> Microsoft.CodeAnalysis.Solution
 Microsoft.CodeAnalysis.Solution.WithAnalyzerConfigDocumentTextLoader(Microsoft.CodeAnalysis.DocumentId documentId, Microsoft.CodeAnalysis.TextLoader loader, Microsoft.CodeAnalysis.PreservationMode mode) -> Microsoft.CodeAnalysis.Solution
 Microsoft.CodeAnalysis.Workspace.CheckAnalyzerConfigDocumentIsInCurrentSolution(Microsoft.CodeAnalysis.DocumentId documentId) -> void
 Microsoft.CodeAnalysis.Workspace.CheckAnalyzerConfigDocumentIsNotInCurrentSolution(Microsoft.CodeAnalysis.DocumentId documentId) -> void
diff --git a/src/Workspaces/Core/Portable/Workspace/Solution/AnalyzerConfigDocumentState.cs b/src/Workspaces/Core/Portable/Workspace/Solution/AnalyzerConfigDocumentState.cs
index 4eb52315b32cd3f17f726ad1d8c7f1042484d94b..74792a0ad438930c4bce1275411df7f10231a68c 100644
--- a/src/Workspaces/Core/Portable/Workspace/Solution/AnalyzerConfigDocumentState.cs
+++ b/src/Workspaces/Core/Portable/Workspace/Solution/AnalyzerConfigDocumentState.cs
@@ -48,6 +48,11 @@ public new AnalyzerConfigDocumentState UpdateText(TextLoader loader, Preservatio
             return (AnalyzerConfigDocumentState)base.UpdateText(loader, mode);
         }
 
+        public new AnalyzerConfigDocumentState UpdateText(SourceText text, PreservationMode mode)
+        {
+            return (AnalyzerConfigDocumentState)base.UpdateText(text, mode);
+        }
+
         protected override TextDocumentState UpdateText(ValueSource<TextAndVersion> newTextSource, PreservationMode mode, bool incremental)
         {
             return new AnalyzerConfigDocumentState(
diff --git a/src/Workspaces/Core/Portable/Workspace/Solution/Solution.cs b/src/Workspaces/Core/Portable/Workspace/Solution/Solution.cs
index 363ce67110354694200e569c1b37c328b91e1452..552f789bcbc427f05faea8a4b5bd2f900b5aa42c 100644
--- a/src/Workspaces/Core/Portable/Workspace/Solution/Solution.cs
+++ b/src/Workspaces/Core/Portable/Workspace/Solution/Solution.cs
@@ -1024,6 +1024,21 @@ public Solution WithAdditionalDocumentTextLoader(DocumentId documentId, TextLoad
             return new Solution(newState);
         }
 
+        /// <summary>
+        /// Creates a new solution instance with the analyzer config document specified updated to have the text
+        /// supplied by the text loader.
+        /// </summary>
+        public Solution WithAnalyzerConfigDocumentText(DocumentId documentId, SourceText text, PreservationMode mode = PreservationMode.PreserveValue)
+        {
+            var newState = _state.WithAnalyzerConfigDocumentText(documentId, text, mode);
+            if (newState == _state)
+            {
+                return this;
+            }
+
+            return new Solution(newState);
+        }
+
         /// <summary>
         /// Creates a new solution instance with the analyzer config document specified updated to have the text
         /// supplied by the text loader.
diff --git a/src/Workspaces/Core/Portable/Workspace/Solution/SolutionState.cs b/src/Workspaces/Core/Portable/Workspace/Solution/SolutionState.cs
index 42d9fc293f133ae4b356a2b42773c7f4d220f929..d288946cd1822000a919fc5d88389eb5ef9d1ecf 100644
--- a/src/Workspaces/Core/Portable/Workspace/Solution/SolutionState.cs
+++ b/src/Workspaces/Core/Portable/Workspace/Solution/SolutionState.cs
@@ -1380,6 +1380,33 @@ public SolutionState WithAdditionalDocumentText(DocumentId documentId, SourceTex
             return newSolution;
         }
 
+        /// <summary>
+        /// Creates a new solution instance with the document specified updated to have the text
+        /// specified.
+        /// </summary>
+        public SolutionState WithAnalyzerConfigDocumentText(DocumentId documentId, SourceText text, PreservationMode mode = PreservationMode.PreserveValue)
+        {
+            if (documentId == null)
+            {
+                throw new ArgumentNullException(nameof(documentId));
+            }
+
+            if (text == null)
+            {
+                throw new ArgumentNullException(nameof(text));
+            }
+
+            CheckContainsAnalyzerConfigDocument(documentId);
+
+            var oldDocument = this.GetAnalyzerConfigDocumentState(documentId);
+            if (oldDocument.TryGetText(out var oldText) && text == oldText)
+            {
+                return this;
+            }
+
+            return this.WithAnalyzerConfigDocumentState(oldDocument.UpdateText(text, mode), textChanged: true);
+        }
+
         /// <summary>
         /// Creates a new solution instance with the document specified updated to have the text
         /// and version specified.