diff --git a/src/Argolis.Hydra.Nancy/Argolis.Hydra.Nancy.csproj b/src/Argolis.Hydra.Nancy/Argolis.Hydra.Nancy.csproj
index 2ce94be..06204b8 100644
--- a/src/Argolis.Hydra.Nancy/Argolis.Hydra.Nancy.csproj
+++ b/src/Argolis.Hydra.Nancy/Argolis.Hydra.Nancy.csproj
@@ -37,18 +37,18 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Nancy" Version="2.0.0-clinteastwood" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" >
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.1">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="NullGuard.Fody" Version="1.8.7" >
+    <PackageReference Include="NullGuard.Fody" Version="1.8.7">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="StyleCop.Analyzers" Version="1.0.2" >
+    <PackageReference Include="StyleCop.Analyzers" Version="1.0.2">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="JsonLd.Entities" Version="0.3.5" />
-    <PackageReference Include="Rdf.Vocabularies" Version="1.3" />
-    <PackageReference Include="tpluscode.Library.Ruleset" Version="1.2" >
+    <PackageReference Include="Rdf.Vocabularies" Version="1.3.1" />
+    <PackageReference Include="tpluscode.Library.Ruleset" Version="1.2">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
   </ItemGroup>
diff --git a/src/Argolis.Hydra/Argolis.Hydra.csproj b/src/Argolis.Hydra/Argolis.Hydra.csproj
index 4eb5b4e..7a3852f 100644
--- a/src/Argolis.Hydra/Argolis.Hydra.csproj
+++ b/src/Argolis.Hydra/Argolis.Hydra.csproj
@@ -56,7 +56,7 @@
     <PackageReference Include="StyleCop.Analyzers" Version="1.0.2">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Rdf.Vocabularies" Version="1.3" />
+    <PackageReference Include="Rdf.Vocabularies" Version="1.3.1" />
     <PackageReference Include="UriTemplateString" Version="0.2.1" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.5" />
     <PackageReference Include="UriTemplate.Core" Version="1.0.2" />
diff --git a/src/Argolis.Tests.Integration/Argolis.Tests.Integration.csproj b/src/Argolis.Tests.Integration/Argolis.Tests.Integration.csproj
index 6de8fa4..b5aa463 100644
--- a/src/Argolis.Tests.Integration/Argolis.Tests.Integration.csproj
+++ b/src/Argolis.Tests.Integration/Argolis.Tests.Integration.csproj
@@ -29,7 +29,7 @@
   <ItemGroup>
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="fluentassertions" Version="5.6" />
-    <PackageReference Include="Rdf.Vocabularies" Version="1.3" />
+    <PackageReference Include="Rdf.Vocabularies" Version="1.3.1" />
     <PackageReference Include="dotnetrdf" Version="2.2" />
     <PackageReference Include="json-ld.net" Version="1.0.6" />
     <PackageReference Include="nancy.rdf" Version="0.4.0" />
diff --git a/src/Argolis.Tests/Argolis.Tests.csproj b/src/Argolis.Tests/Argolis.Tests.csproj
index b7ed9ba..5cac373 100644
--- a/src/Argolis.Tests/Argolis.Tests.csproj
+++ b/src/Argolis.Tests/Argolis.Tests.csproj
@@ -32,7 +32,7 @@
     <PackageReference Include="Resourcer.Fody" Version="1.7.3" />
     <PackageReference Include="JsonLd.Entities" Version="0.3.5" />
     <PackageReference Include="Nancy.Testing" Version="2.0.0-clinteastwood" />
-    <PackageReference Include="Rdf.Vocabularies" Version="1.3.0" />
+    <PackageReference Include="Rdf.Vocabularies" Version="1.3.1" />
     <PackageReference Include="dotnetrdf" Version="2.2" />
     <PackageReference Include="json-ld.net" Version="1.0.6" />
     <PackageReference Include="fakeiteasy" Version="5.*" />
diff --git a/src/Examples/TestHydraApi/TestHydraApi.csproj b/src/Examples/TestHydraApi/TestHydraApi.csproj
index 94cd609..488d32e 100644
--- a/src/Examples/TestHydraApi/TestHydraApi.csproj
+++ b/src/Examples/TestHydraApi/TestHydraApi.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\Argolis.Hydra\Argolis.Hydra.csproj" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
-    <PackageReference Include="Rdf.Vocabularies" Version="1.3.0" />
+    <PackageReference Include="Rdf.Vocabularies" Version="1.3.1" />
     <PackageReference Include="JsonLd.Entities" Version="0.3.5" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.5" />
     <PackageReference Include="tpluscode.NoDocumentation.Ruleset" Version="1.2" />