diff --git a/src/Proteos.Encryption.Abstractions/Proteos.Encryption.Abstractions.csproj b/src/Proteos.Encryption.Abstractions/Proteos.Encryption.Abstractions.csproj
index 98b74de..9cb6beb 100644
--- a/src/Proteos.Encryption.Abstractions/Proteos.Encryption.Abstractions.csproj
+++ b/src/Proteos.Encryption.Abstractions/Proteos.Encryption.Abstractions.csproj
@@ -15,7 +15,7 @@
 
   <!-- Track the public API surface so changes are explicit in review (build-only dev dependency). -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" PrivateAssets="all" />
     <AdditionalFiles Include="PublicAPI.Shipped.txt" />
     <AdditionalFiles Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
diff --git a/src/Proteos.Encryption.AwsKms/Proteos.Encryption.AwsKms.csproj b/src/Proteos.Encryption.AwsKms/Proteos.Encryption.AwsKms.csproj
index 64ab009..a592520 100644
--- a/src/Proteos.Encryption.AwsKms/Proteos.Encryption.AwsKms.csproj
+++ b/src/Proteos.Encryption.AwsKms/Proteos.Encryption.AwsKms.csproj
@@ -28,7 +28,7 @@
 
   <!-- Track the public API surface so changes are explicit in review (build-only dev dependency). -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" PrivateAssets="all" />
     <AdditionalFiles Include="PublicAPI.Shipped.txt" />
     <AdditionalFiles Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
diff --git a/src/Proteos.Encryption.AzureKeyVault/Proteos.Encryption.AzureKeyVault.csproj b/src/Proteos.Encryption.AzureKeyVault/Proteos.Encryption.AzureKeyVault.csproj
index d96f472..a2ee926 100644
--- a/src/Proteos.Encryption.AzureKeyVault/Proteos.Encryption.AzureKeyVault.csproj
+++ b/src/Proteos.Encryption.AzureKeyVault/Proteos.Encryption.AzureKeyVault.csproj
@@ -29,7 +29,7 @@
 
   <!-- Track the public API surface so changes are explicit in review (build-only dev dependency). -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" PrivateAssets="all" />
     <AdditionalFiles Include="PublicAPI.Shipped.txt" />
     <AdditionalFiles Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
diff --git a/src/Proteos.Encryption.Core/Proteos.Encryption.Core.csproj b/src/Proteos.Encryption.Core/Proteos.Encryption.Core.csproj
index b69c868..caa0c06 100644
--- a/src/Proteos.Encryption.Core/Proteos.Encryption.Core.csproj
+++ b/src/Proteos.Encryption.Core/Proteos.Encryption.Core.csproj
@@ -23,7 +23,7 @@
 
   <!-- Track the public API surface so changes are explicit in review (build-only dev dependency). -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" PrivateAssets="all" />
     <AdditionalFiles Include="PublicAPI.Shipped.txt" />
     <AdditionalFiles Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
diff --git a/src/Proteos.Encryption.EntityFrameworkCore/Proteos.Encryption.EntityFrameworkCore.csproj b/src/Proteos.Encryption.EntityFrameworkCore/Proteos.Encryption.EntityFrameworkCore.csproj
index 98c78de..15ec3a1 100644
--- a/src/Proteos.Encryption.EntityFrameworkCore/Proteos.Encryption.EntityFrameworkCore.csproj
+++ b/src/Proteos.Encryption.EntityFrameworkCore/Proteos.Encryption.EntityFrameworkCore.csproj
@@ -34,7 +34,7 @@
 
   <!-- Track the public API surface so changes are explicit in review (build-only dev dependency). -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" PrivateAssets="all" />
     <AdditionalFiles Include="PublicAPI.Shipped.txt" />
     <AdditionalFiles Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
diff --git a/src/Proteos.Encryption.GoogleCloudKms/Proteos.Encryption.GoogleCloudKms.csproj b/src/Proteos.Encryption.GoogleCloudKms/Proteos.Encryption.GoogleCloudKms.csproj
index 7241ed4..722d05d 100644
--- a/src/Proteos.Encryption.GoogleCloudKms/Proteos.Encryption.GoogleCloudKms.csproj
+++ b/src/Proteos.Encryption.GoogleCloudKms/Proteos.Encryption.GoogleCloudKms.csproj
@@ -28,7 +28,7 @@
 
   <!-- Track the public API surface so changes are explicit in review (build-only dev dependency). -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" PrivateAssets="all" />
     <AdditionalFiles Include="PublicAPI.Shipped.txt" />
     <AdditionalFiles Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>