diff --git a/.github/workflows/pre-merge-tests.yml b/.github/workflows/pre-merge-tests.yml
index 55a424bb4..899b22829 100644
--- a/.github/workflows/pre-merge-tests.yml
+++ b/.github/workflows/pre-merge-tests.yml
@@ -125,7 +125,7 @@ jobs:
         shell: bash
         if: matrix.projects == 'test/AssociationRegistry.Test.Public.Api' || matrix.projects == 'test/AssociationRegistry.Test.Admin.Api'
         run: |
-          docker run -d --name elasticsearch -p 9200:9200 -e ELASTIC_PASSWORD=local_development -e discovery.type=single-node -e xpack.security.transport.ssl.enabled=false docker.elastic.co/elasticsearch/elasticsearch:8.4.3
+          docker run -d --name elasticsearch -p 9200:9200 -m 2g -e ELASTIC_PASSWORD=local_development -e discovery.type=single-node -e xpack.security.transport.ssl.enabled=false docker.elastic.co/elasticsearch/elasticsearch:8.4.3
 
       - name: Run wiremock container
         shell: bash