diff --git a/ArchiSteamFarm/TrimmerRoots.xml b/ArchiSteamFarm/TrimmerRoots.xml
index 72557b5c8..36c2664c5 100644
--- a/ArchiSteamFarm/TrimmerRoots.xml
+++ b/ArchiSteamFarm/TrimmerRoots.xml
@@ -1,4 +1,11 @@
 <linker>
+	<!-- This is actually needed for ASF GlobalConfig loading, not plugins -->
+	<assembly fullname="System.Collections.Immutable">
+		<type fullname="System.Collections.Immutable.ImmutableDictionary" />
+		<type fullname="System.Collections.Immutable.ImmutableHashSet" />
+	</assembly>
+
+	<!-- This is needed for basic plugins usage, the attribute is trimmed otherwise -->
 	<assembly fullname="System.Composition.AttributedModel">
 		<type fullname="System.Composition.ExportAttribute" />
 	</assembly>