diff --git a/run_tests.sh b/run_tests.sh
index 868faed211..7e7b5d1965 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -6,7 +6,7 @@ set -o errexit
 # Increment me any time the environment should be rebuilt.
 # This includes dependncy changes, directory renames, etc.
 # Simple integer secuence: 1, 2, 3...
-environment_version=24
+environment_version=25
 #--------------------------------------------------------#
 
 function usage {