diff --git a/Cargo.lock b/Cargo.lock
index ea4129b..49f3333 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.15"
@@ -341,10 +343,10 @@ dependencies = [
 
 [[package]]
 name = "ical"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a9f7215ad0d77e69644570dee000c7678a47ba7441062c1b5f918adde0d73cf"
+version = "0.6.0"
+source = "git+https://github.com/daladim/ical-rs.git?branch=ical_serde#f3a182eee5f1f6acf44fa1512839602d7105a899"
 dependencies = [
+ "serde",
  "thiserror",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 48e93a0..c8b3fa4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,10 @@ serde_json = "1.0"
 async-trait = "0.1"
 uuid = { version = "0.8", features = ["v4"] }
 sanitize-filename = "0.3"
-ical = "0.7"
+ical = { version = "0.6", features = ["serde-derive"] }
 ics = "0.5"
 chrono = { version = "0.4", features = ["serde"] }
 csscolorparser = { version = "0.5", features = ["serde"] }
+
+[patch.crates-io]
+ical = { git = "https://github.com/daladim/ical-rs.git", branch = "ical_serde" }