diff --git a/.github/workflows/format_repositories.yml b/.github/workflows/format_repositories.yml
index 69e7009cc..b26e11fcb 100644
--- a/.github/workflows/format_repositories.yml
+++ b/.github/workflows/format_repositories.yml
@@ -14,7 +14,7 @@ jobs:
           path: csharpier
       - uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '7.0.304'
+          dotnet-version: '7.0.400'
       - uses: actions/checkout@v2
         with:
           repository: belav/csharpier-repos
diff --git a/.github/workflows/publish_nuget.yml b/.github/workflows/publish_nuget.yml
index ba9d593d4..216e4317a 100644
--- a/.github/workflows/publish_nuget.yml
+++ b/.github/workflows/publish_nuget.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
-            7.0.304
+            7.0.400
             6.0.300
       - run: >
           dotnet test Src/CSharpier.Tests/CSharpier.Tests.csproj
@@ -32,7 +32,7 @@ jobs:
       - uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
-            7.0.304
+            7.0.400
             6.0.300
       - name: Publish CSharpier.Core library on version change
         uses: alirezanet/publish-nuget@v3.0.4
diff --git a/.github/workflows/validate_pull_request.yml b/.github/workflows/validate_pull_request.yml
index f3248bdda..e3d148517 100644
--- a/.github/workflows/validate_pull_request.yml
+++ b/.github/workflows/validate_pull_request.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
-            7.0.304
+            7.0.400
             6.0.300
       - run: >
           dotnet test CSharpier.sln
@@ -28,7 +28,7 @@ jobs:
       - uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
-            7.0.304
+            7.0.400
             6.0.300
       - run: |
           dotnet tool restore
@@ -41,7 +41,7 @@ jobs:
       - uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
-            7.0.304
+            7.0.400
             6.0.300
       - run: |
           dotnet build Src/CSharpier.MsBuild/CSharpier.MsBuild.csproj
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 37383771f..3241fa18d 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -13,10 +13,10 @@
     <PackageVersion Include="Ignore" Version="0.1.48" />
     <PackageVersion Include="ini-parser-netstandard" Version="2.5.2" />
     <PackageVersion Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="5.0.1" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="4.6.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="4.7.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" />
-    <PackageVersion Include="Microsoft.CSharp" Version="4.5.0" />
+    <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="5.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageVersion Include="NUnit" Version="3.12.0" />
@@ -29,8 +29,8 @@
     <PackageVersion Include="System.IO.Abstractions.TestingHelpers" Version="13.2.29" />
     <PackageVersion Include="System.IO.Hashing" Version="7.0.0-preview.7.22375.6" />
     <PackageVersion Include="System.Text.Encoding.CodePages" Version="7.0.0" />
-    <PackageVersion Include="System.Text.Json" Version="7.0.0" />
+    <PackageVersion Include="System.Text.Json" Version="7.0.3" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
-    <PackageVersion Include="YamlDotNet" Version="11.1.1" />
+    <PackageVersion Include="YamlDotNet" Version="13.4.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 52c861fc3..d58a812e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/sdk:7.0.304 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.400 AS build
 
 RUN apt-get update  && \
   apt-get install curl gnupg -yq && \
diff --git a/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test b/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
new file mode 100644
index 000000000..041770be4
--- /dev/null
+++ b/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
@@ -0,0 +1,18 @@
+int[] a =  [ 1, 2, 3, 4, 5, 6, 7, 8 ];
+
+Span<int> b =  [ 'a', 'b', 'c', 'd', 'e', 'f', 'h', 'i' ];
+
+string[] c =
+[
+    "________________________",
+    "________________________",
+    "________________________",
+    "________________________"
+];
+
+int[][] d =
+[
+    [1, 2, 3],
+    [4, 5, 6],
+    [7, 8, 9]
+];
diff --git a/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs b/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs
new file mode 100644
index 000000000..57322b9fb
--- /dev/null
+++ b/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs
@@ -0,0 +1,38 @@
+namespace CSharpier.SyntaxPrinter.SyntaxNodePrinters;
+
+internal static class CollectionExpression
+{
+    public static Doc Print(CollectionExpressionSyntax node, FormattingContext context)
+    {
+        Doc separator = node.Parent
+            is AssignmentExpressionSyntax
+                or EqualsValueClauseSyntax { Parent: not PropertyDeclarationSyntax }
+            ? Doc.Line
+            : Doc.Null;
+
+        var alwaysBreak =
+            node.Elements.FirstOrDefault()
+                is ExpressionElementSyntax { Expression: CollectionExpressionSyntax };
+
+        var result = Doc.Concat(
+            separator,
+            Token.Print(node.OpenBracketToken, context),
+            Doc.Indent(
+                alwaysBreak ? Doc.HardLine : Doc.Line,
+                SeparatedSyntaxList.Print(
+                    node.Elements,
+                    Node.Print,
+                    alwaysBreak ? Doc.HardLine : Doc.Line,
+                    context
+                )
+            ),
+            node.Elements.Any()
+                ? alwaysBreak
+                    ? Doc.HardLine
+                    : Doc.Line
+                : Doc.Null,
+            Token.Print(node.CloseBracketToken, context)
+        );
+        return Doc.Group(result);
+    }
+}
diff --git a/global.json b/global.json
index 065581b4a..0c4b7f5ec 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.304",
+    "version": "7.0.400",
     "rollForward": "latestFeature"
   }
 }