diff --git a/build-aux/flatpak/org.gnome.Calendar.json b/build-aux/flatpak/org.gnome.Calendar.json
index dd8e74d0..d0d1438d 100644
--- a/build-aux/flatpak/org.gnome.Calendar.json
+++ b/build-aux/flatpak/org.gnome.Calendar.json
@@ -108,8 +108,8 @@
             "sources" : [
                 {
                     "type" : "archive",
-                    "url" : "https://github.com/libical/libical/releases/download/v3.0.5/libical-3.0.5.tar.gz",
-                    "sha256" : "7ad550c8c49c9b9983658e3ab3e68b1eee2439ec17b169a6b1e6ecb5274e78e6"
+                    "url" : "https://github.com/libical/libical/releases/download/v3.0.7/libical-3.0.7.tar.gz",
+                    "sha256" : "0abe66df1ea826e57db7f281c704ede834c84139012e6c686ea7adafd4e763fc"
                 }
             ]
         },