diff --git a/compiler/fir/modularized-tests/build.gradle.kts b/compiler/fir/modularized-tests/build.gradle.kts
index e4659887d9c..98675b1a36e 100644
--- a/compiler/fir/modularized-tests/build.gradle.kts
+++ b/compiler/fir/modularized-tests/build.gradle.kts
@@ -55,6 +55,7 @@ projectTest {
     systemProperties(project.properties.filterKeys { it.startsWith("fir.") })
     workingDir = rootDir
     jvmArgs!!.removeIf { it.contains("-Xmx") }
+    minHeapSize = "8g"
     maxHeapSize = "8g"
     dependsOn(":dist")