diff --git a/org.gnome.Calendar.json b/org.gnome.Calendar.json
index d8f8ed05..06db6fda 100644
--- a/org.gnome.Calendar.json
+++ b/org.gnome.Calendar.json
@@ -51,8 +51,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://github.com/libical/libical/releases/download/v1.0.1/libical-1.0.1.tar.gz",
-                    "sha256": "089ce3c42d97fbd7a5d4b3c70adbdd82115dd306349c1f5c46a8fb3f8c949592"
+                    "url": "https://github.com/libical/libical/releases/download/v2.0.0/libical-2.0.0.tar.gz",
+                    "sha256": "654c11f759c19237be39f6ad401d917e5a05f36f1736385ed958e60cf21456da"
                 }
             ]
         },