diff --git a/jadx-cli/build.gradle b/jadx-cli/build.gradle
index 355fcad7d..61874d010 100644
--- a/jadx-cli/build.gradle
+++ b/jadx-cli/build.gradle
@@ -12,7 +12,7 @@ startScripts {
     doLast {
         // increase default max heap size
         String var = 'DEFAULT_JVM_OPTS='
-        String args = '-Xmx1400M'
+        String args = '-Xmx1300M'
         unixScript.text = unixScript.text.replace(var + '""', var + '"' + args + '"')
         windowsScript.text = windowsScript.text.replace(var, var + args)
     }
diff --git a/jadx-gui/build.gradle b/jadx-gui/build.gradle
index a41e8d166..513f7625c 100644
--- a/jadx-gui/build.gradle
+++ b/jadx-gui/build.gradle
@@ -13,7 +13,7 @@ startScripts {
     doLast {
         // increase default max heap size
         String var = 'DEFAULT_JVM_OPTS='
-        String args = '-Xmx1400M'
+        String args = '-Xmx1300M'
         unixScript.text = unixScript.text.replace(var + '""', var + '"' + args + '"')
         windowsScript.text = windowsScript.text.replace(var, var + args)
     }