diff --git a/repos/gems/run/depot_autopilot.run b/repos/gems/run/depot_autopilot.run
index ebcda52bef..d2d572b29e 100644
--- a/repos/gems/run/depot_autopilot.run
+++ b/repos/gems/run/depot_autopilot.run
@@ -412,7 +412,7 @@ proc prepare_to_run_genode { } {
 		</start>
 
 		<start name="dynamic" caps="8000" priority="-1">
-			<resource name="RAM" quantum="420M"/>
+			<resource name="RAM" quantum="286M"/>
 			<binary name="init"/>
 			<route>
 
diff --git a/repos/libports/recipes/pkg/test-libc/runtime b/repos/libports/recipes/pkg/test-libc/runtime
index f66309ff8c..776d415cb4 100644
--- a/repos/libports/recipes/pkg/test-libc/runtime
+++ b/repos/libports/recipes/pkg/test-libc/runtime
@@ -1,4 +1,4 @@
-<runtime ram="410M" caps="1000" binary="init">
+<runtime ram="266M" caps="1000" binary="init">
 
 	<requires> <timer/> </requires>
 
@@ -34,7 +34,7 @@
 		</default-route>
 		<default caps="200"/>
 		<start name="test-libc">
-			<resource name="RAM" quantum="400M"/>
+			<resource name="RAM" quantum="256M"/>
 			<config>
 				<vfs> <dir name="dev"> <log/> </dir> </vfs>
 				<libc stdout="/dev/log" stderr="/dev/log"/>