diff --git a/MaxMind.GeoIP2.Benchmark/MaxMind.GeoIP2.Benchmark.csproj b/MaxMind.GeoIP2.Benchmark/MaxMind.GeoIP2.Benchmark.csproj
index b6b78b9..44aa481 100644
--- a/MaxMind.GeoIP2.Benchmark/MaxMind.GeoIP2.Benchmark.csproj
+++ b/MaxMind.GeoIP2.Benchmark/MaxMind.GeoIP2.Benchmark.csproj
@@ -26,6 +26,10 @@
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <!-- In CI, don't fail the build on NuGet audit advisories (NU1901-NU1905).
+         Advisories still appear in build output, and Dependabot handles the
+         actual fix. Local builds keep the strict behavior. -->
+    <WarningsNotAsErrors Condition="'$(CI)' == 'true'">$(WarningsNotAsErrors);NU1901;NU1902;NU1903;NU1904;NU1905</WarningsNotAsErrors>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net10.0|AnyCPU'">
diff --git a/MaxMind.GeoIP2.UnitTests/MaxMind.GeoIP2.UnitTests.csproj b/MaxMind.GeoIP2.UnitTests/MaxMind.GeoIP2.UnitTests.csproj
index 1b3c1e7..72291b4 100644
--- a/MaxMind.GeoIP2.UnitTests/MaxMind.GeoIP2.UnitTests.csproj
+++ b/MaxMind.GeoIP2.UnitTests/MaxMind.GeoIP2.UnitTests.csproj
@@ -27,6 +27,10 @@
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <!-- In CI, don't fail the build on NuGet audit advisories (NU1901-NU1905).
+         Advisories still appear in build output, and Dependabot handles the
+         actual fix. Local builds keep the strict behavior. -->
+    <WarningsNotAsErrors Condition="'$(CI)' == 'true'">$(WarningsNotAsErrors);NU1901;NU1902;NU1903;NU1904;NU1905</WarningsNotAsErrors>
     <UseMicrosoftTestingPlatformRunner>true</UseMicrosoftTestingPlatformRunner>
   </PropertyGroup>
 
diff --git a/MaxMind.GeoIP2/MaxMind.GeoIP2.csproj b/MaxMind.GeoIP2/MaxMind.GeoIP2.csproj
index f052dcb..913b22b 100644
--- a/MaxMind.GeoIP2/MaxMind.GeoIP2.csproj
+++ b/MaxMind.GeoIP2/MaxMind.GeoIP2.csproj
@@ -33,6 +33,10 @@
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <!-- In CI, don't fail the build on NuGet audit advisories (NU1901-NU1905).
+         Advisories still appear in build output, and Dependabot handles the
+         actual fix. Local builds keep the strict behavior. -->
+    <WarningsNotAsErrors Condition="'$(CI)' == 'true'">$(WarningsNotAsErrors);NU1901;NU1902;NU1903;NU1904;NU1905</WarningsNotAsErrors>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net10.0|AnyCPU'">