diff --git a/mock/integration-tests/testenvironment b/mock/integration-tests/testenvironment
index 01ceedd60..a63eb51ae 100644
--- a/mock/integration-tests/testenvironment
+++ b/mock/integration-tests/testenvironment
@@ -8,7 +8,7 @@ VERBOSE=--verbose
 #
 # most tests below will use this mock command line
 #
-testConfig=fedora-39-x86_64
+testConfig=fedora-40-x86_64
 uniqueext="$$-$RANDOM"
 outdir=${TOPDIR}/mock-unit-test
 cfgdir=${TOPDIR}/../mock-core-configs/etc/mock