diff --git a/src/tests/Loader/CollectibleAssemblies/ResolvedFromDifferentContext/ResolvedFromDifferentContext.csproj b/src/tests/Loader/CollectibleAssemblies/ResolvedFromDifferentContext/ResolvedFromDifferentContext.csproj
index af4852cd6707c9..29bbf18803eec6 100644
--- a/src/tests/Loader/CollectibleAssemblies/ResolvedFromDifferentContext/ResolvedFromDifferentContext.csproj
+++ b/src/tests/Loader/CollectibleAssemblies/ResolvedFromDifferentContext/ResolvedFromDifferentContext.csproj
@@ -4,6 +4,8 @@
     <RequiresProcessIsolation>true</RequiresProcessIsolation>
     <!-- Test creates non-collectible AssemblyLoadContext -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <!-- Test polls a fixed number of times for collectible ALCs to be unloaded, which is unreliable under GC stress -->
+    <GCStressIncompatible>true</GCStressIncompatible>
     <CLRTestPriority>1</CLRTestPriority>
   </PropertyGroup>
   <ItemGroup>