diff --git a/backend/scripts/repl b/backend/scripts/repl
index 3ab0e1ca3..71fb65071 100755
--- a/backend/scripts/repl
+++ b/backend/scripts/repl
@@ -8,7 +8,7 @@ export OPTIONS="
        -J-Dlog4j2.configurationFile=log4j2-devenv.xml \
        -J-XX:+UseZGC \
        -J-XX:-OmitStackTraceInFastThrow \
-       -J-Xms50m -J-Xmx512m \
+       -J-Xms50m -J-Xmx1024m \
        -J-Djdk.attach.allowAttachSelf \
        -J-XX:+UnlockDiagnosticVMOptions \
        -J-XX:+DebugNonSafepoints";