diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Microsoft.Extensions.AI.Abstractions.csproj b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Microsoft.Extensions.AI.Abstractions.csproj
index 30d5cd84425..f21aa057173 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/Microsoft.Extensions.AI.Abstractions.csproj
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/Microsoft.Extensions.AI.Abstractions.csproj
@@ -16,6 +16,7 @@
     <TargetFrameworks>$(TargetFrameworks);netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CA2227;CA1034;SA1316;S3253</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DisableNETStandardCompatErrors>true</DisableNETStandardCompatErrors>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/Libraries/Microsoft.Extensions.AI.AzureAIInference/Microsoft.Extensions.AI.AzureAIInference.csproj b/src/Libraries/Microsoft.Extensions.AI.AzureAIInference/Microsoft.Extensions.AI.AzureAIInference.csproj
index 3f9489dbdc7..1b3e2c8da7d 100644
--- a/src/Libraries/Microsoft.Extensions.AI.AzureAIInference/Microsoft.Extensions.AI.AzureAIInference.csproj
+++ b/src/Libraries/Microsoft.Extensions.AI.AzureAIInference/Microsoft.Extensions.AI.AzureAIInference.csproj
@@ -16,6 +16,7 @@
     <TargetFrameworks>$(TargetFrameworks);netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CA1063;CA2227;SA1316;S1067;S1121;S3358</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DisableNETStandardCompatErrors>true</DisableNETStandardCompatErrors>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/Libraries/Microsoft.Extensions.AI.Ollama/Microsoft.Extensions.AI.Ollama.csproj b/src/Libraries/Microsoft.Extensions.AI.Ollama/Microsoft.Extensions.AI.Ollama.csproj
index 81beb0d7bed..779324f4cce 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Ollama/Microsoft.Extensions.AI.Ollama.csproj
+++ b/src/Libraries/Microsoft.Extensions.AI.Ollama/Microsoft.Extensions.AI.Ollama.csproj
@@ -16,6 +16,7 @@
     <TargetFrameworks>$(TargetFrameworks);netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CA2227;SA1316;S1121;EA0002</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DisableNETStandardCompatErrors>true</DisableNETStandardCompatErrors>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/Libraries/Microsoft.Extensions.AI.OpenAI/Microsoft.Extensions.AI.OpenAI.csproj b/src/Libraries/Microsoft.Extensions.AI.OpenAI/Microsoft.Extensions.AI.OpenAI.csproj
index 67df978b7d4..53d1f78fd10 100644
--- a/src/Libraries/Microsoft.Extensions.AI.OpenAI/Microsoft.Extensions.AI.OpenAI.csproj
+++ b/src/Libraries/Microsoft.Extensions.AI.OpenAI/Microsoft.Extensions.AI.OpenAI.csproj
@@ -16,6 +16,7 @@
     <TargetFrameworks>$(TargetFrameworks);netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CA1063;CA1508;CA2227;SA1316;S1121;S3358;EA0002</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DisableNETStandardCompatErrors>true</DisableNETStandardCompatErrors>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/Libraries/Microsoft.Extensions.AI/Microsoft.Extensions.AI.csproj b/src/Libraries/Microsoft.Extensions.AI/Microsoft.Extensions.AI.csproj
index 2b91bf8d3a6..5f885adafe8 100644
--- a/src/Libraries/Microsoft.Extensions.AI/Microsoft.Extensions.AI.csproj
+++ b/src/Libraries/Microsoft.Extensions.AI/Microsoft.Extensions.AI.csproj
@@ -18,6 +18,7 @@
     <TargetFrameworks>$(TargetFrameworks);netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CA2227;CA1034;SA1316;S1067;S1121;S1994;S3253</NoWarn>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DisableNETStandardCompatErrors>true</DisableNETStandardCompatErrors>
   </PropertyGroup>
 
   <PropertyGroup>