diff --git a/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests.csproj b/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests.csproj
index d33d62e..76488c4 100644
--- a/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests.csproj
+++ b/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests/Oproto.FluentDynamoDb.BlobStorage.S3.UnitTests.csproj
@@ -10,7 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="6.12.1" />
+        <PackageReference Include="FluentAssertions" Version="8.8.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0"/>
         <PackageReference Include="NSubstitute" Version="5.1.0" />
         <PackageReference Include="xunit" Version="2.4.2"/>
diff --git a/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests.csproj b/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests.csproj
index 4d7c2f7..1ee6590 100644
--- a/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests.csproj
+++ b/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests/Oproto.FluentDynamoDb.Encryption.Kms.UnitTests.csproj
@@ -10,7 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="6.12.1" />
+        <PackageReference Include="FluentAssertions" Version="8.8.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0"/>
         <PackageReference Include="NSubstitute" Version="5.1.0" />
         <PackageReference Include="xunit" Version="2.4.2"/>
diff --git a/Oproto.FluentDynamoDb.UnitTests/Oproto.FluentDynamoDb.UnitTests.csproj b/Oproto.FluentDynamoDb.UnitTests/Oproto.FluentDynamoDb.UnitTests.csproj
index 9a268c5..6b4f4ce 100644
--- a/Oproto.FluentDynamoDb.UnitTests/Oproto.FluentDynamoDb.UnitTests.csproj
+++ b/Oproto.FluentDynamoDb.UnitTests/Oproto.FluentDynamoDb.UnitTests.csproj
@@ -10,7 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="6.12.1" />
+        <PackageReference Include="FluentAssertions" Version="8.8.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0"/>
         <PackageReference Include="NSubstitute" Version="5.1.0" />
         <PackageReference Include="xunit" Version="2.4.2"/>