diff --git a/silta-cicd/circleci-php8.1-node18-composer2/Dockerfile b/silta-cicd/circleci-php8.1-node18-composer2/Dockerfile
index ac5133e..30d46b9 100644
--- a/silta-cicd/circleci-php8.1-node18-composer2/Dockerfile
+++ b/silta-cicd/circleci-php8.1-node18-composer2/Dockerfile
@@ -1,4 +1,4 @@
-FROM cimg/php:8.1.30
+FROM cimg/php:8.1.31
 
 # Make composer packages executable.
 ENV PATH="/home/circleci/.composer/vendor/bin:${PATH}"