diff --git a/.idea/runConfigurations/Decompiler.xml b/.idea/runConfigurations/Decompiler.xml
index 27f3fe8689..47a48569e8 100644
--- a/.idea/runConfigurations/Decompiler.xml
+++ b/.idea/runConfigurations/Decompiler.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Decompiler" type="JetRunConfigurationType" factoryName="Kotlin">
     <module name="openrs2.decompiler.main" />
-    <option name="VM_PARAMETERS" value="" />
+    <option name="VM_PARAMETERS" value="-Xmx3G" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
     <option name="ALTERNATIVE_JRE_PATH" />
diff --git a/decompiler/build.gradle.kts b/decompiler/build.gradle.kts
index e06839985e..c63601f3d7 100644
--- a/decompiler/build.gradle.kts
+++ b/decompiler/build.gradle.kts
@@ -6,6 +6,7 @@ plugins {
 
 application {
     mainClassName = "dev.openrs2.decompiler.DecompilerKt"
+    applicationDefaultJvmArgs = listOf("-Xmx3G")
 }
 
 dependencies {