diff --git a/Source/EventFlow.PostgreSql.Tests/EventFlow.PostgreSql.Tests.csproj b/Source/EventFlow.PostgreSql.Tests/EventFlow.PostgreSql.Tests.csproj
index 9d03cb669..33e194cf9 100644
--- a/Source/EventFlow.PostgreSql.Tests/EventFlow.PostgreSql.Tests.csproj
+++ b/Source/EventFlow.PostgreSql.Tests/EventFlow.PostgreSql.Tests.csproj
@@ -20,7 +20,6 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="Npgsql" Version="4.0.2" />
     <PackageReference Include="NUnit" Version="3.13.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
   </ItemGroup>
diff --git a/Source/EventFlow.PostgreSql/EventFlow.PostgreSql.csproj b/Source/EventFlow.PostgreSql/EventFlow.PostgreSql.csproj
index 42ed58c2f..1a60b0ed7 100644
--- a/Source/EventFlow.PostgreSql/EventFlow.PostgreSql.csproj
+++ b/Source/EventFlow.PostgreSql/EventFlow.PostgreSql.csproj
@@ -27,7 +27,7 @@
   <ItemGroup>
     <PackageReference Include="dbup-postgresql" Version="4.1.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
-    <PackageReference Include="Npgsql" Version="4.0.2" />
+    <PackageReference Include="Npgsql" Version="4.1.14" />
   </ItemGroup>
 
   <ItemGroup>