diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 099b09295..146cc974c 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -25,7 +25,7 @@ jobs:
         run: docker run -d -it -p 39227:9200 -p 39337:9300 -e "discovery.type=single-node" -v /home/runner/work/elastic4s/elastic4s/elastic4s-tests/src/test/resources/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml docker.elastic.co/elasticsearch/elasticsearch:7.17.26
 
       - name: run tests
-        run: sbt ++2.12.12 test
+        run: sbt ++2.12.20 test
 
   scala-2_13:
     runs-on: ubuntu-latest
@@ -44,4 +44,4 @@ jobs:
         run: docker run -d -it -p 39227:9200 -p 39337:9300 -e "discovery.type=single-node" -v /home/runner/work/elastic4s/elastic4s/elastic4s-tests/src/test/resources/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml docker.elastic.co/elasticsearch/elasticsearch:7.17.26
 
       - name: run tests
-        run: sbt ++2.13.4 test
+        run: sbt ++2.13.15 test