diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index f77424b4f..57f312e97 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -75,6 +75,7 @@ integration)
 
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.33.0 \
       -Penable-integration-tests \
       -DtrimStackTrace=false \
       -Dclirr.skip=true \