diff --git a/composer.json b/composer.json
index 1d61bbbc..8348aa68 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "cocur/slugify": "^2.3",
         "guzzlehttp/guzzle": "^6.3",
         "google/apiclient": "^2.2",
-        "smarcet/caldavclient": "1.1.4",
+        "smarcet/caldavclient": "1.1.5",
         "smarcet/outlook-rest-client": "dev-master",
         "idct/sftp-client": "dev-master"
     },