diff --git a/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj b/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj
index 3d08d8985..4444ae00b 100644
--- a/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj
+++ b/backend/tests/Taskdeck.Api.Tests/Taskdeck.Api.Tests.csproj
@@ -21,7 +21,7 @@
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-    <PackageReference Include="FluentAssertions" Version="6.12.2" />
+    <PackageReference Include="FluentAssertions" Version="8.10.0" />
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     <PackageReference Include="FsCheck.Xunit" Version="3.3.3" />
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diff --git a/backend/tests/Taskdeck.Application.Tests/Taskdeck.Application.Tests.csproj b/backend/tests/Taskdeck.Application.Tests/Taskdeck.Application.Tests.csproj
index 560535cf6..f93112b8e 100644
--- a/backend/tests/Taskdeck.Application.Tests/Taskdeck.Application.Tests.csproj
+++ b/backend/tests/Taskdeck.Application.Tests/Taskdeck.Application.Tests.csproj
@@ -19,7 +19,7 @@
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     <PackageReference Include="FsCheck.Xunit" Version="3.3.3" />
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diff --git a/backend/tests/Taskdeck.Cli.Tests/Taskdeck.Cli.Tests.csproj b/backend/tests/Taskdeck.Cli.Tests/Taskdeck.Cli.Tests.csproj
index 200bfca74..3abbfbf4b 100644
--- a/backend/tests/Taskdeck.Cli.Tests/Taskdeck.Cli.Tests.csproj
+++ b/backend/tests/Taskdeck.Cli.Tests/Taskdeck.Cli.Tests.csproj
@@ -19,7 +19,7 @@
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+    <PackageReference Include="FluentAssertions" Version="8.10.0" />
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diff --git a/backend/tests/Taskdeck.Domain.Tests/Taskdeck.Domain.Tests.csproj b/backend/tests/Taskdeck.Domain.Tests/Taskdeck.Domain.Tests.csproj
index 79e8b5ea7..9e9d31ed8 100644
--- a/backend/tests/Taskdeck.Domain.Tests/Taskdeck.Domain.Tests.csproj
+++ b/backend/tests/Taskdeck.Domain.Tests/Taskdeck.Domain.Tests.csproj
@@ -19,7 +19,7 @@
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diff --git a/backend/tests/Taskdeck.Integration.Tests/Taskdeck.Integration.Tests.csproj b/backend/tests/Taskdeck.Integration.Tests/Taskdeck.Integration.Tests.csproj
index 325f1e907..777f8ff2a 100644
--- a/backend/tests/Taskdeck.Integration.Tests/Taskdeck.Integration.Tests.csproj
+++ b/backend/tests/Taskdeck.Integration.Tests/Taskdeck.Integration.Tests.csproj
@@ -19,7 +19,7 @@
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