diff --git a/cloud-sql/postgres/CloudSql.csproj b/cloud-sql/postgres/CloudSql.csproj
index fe56583cc4d..a6ba3f957d8 100644
--- a/cloud-sql/postgres/CloudSql.csproj
+++ b/cloud-sql/postgres/CloudSql.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Cloud.Diagnostics.AspNetCore3" Version="5.1.0" />
-    <PackageReference Include="Npgsql" Version="7.0.6" />
+    <PackageReference Include="Npgsql" Version="8.0.0" />
     <PackageReference Include="Polly" Version="8.2.0" />
   </ItemGroup>