diff --git a/Cargo.lock b/Cargo.lock
index 06ce5bb..0a4dd07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1819,13 +1819,14 @@ dependencies = [
 
 [[package]]
 name = "icalendar"
-version = "0.15.8"
+version = "0.17.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85aad69a5625006d09c694c0cd811f3655363444e692b2a9ce410c712ec1ff96"
+checksum = "8fda1b791865374063fa57e84adfe3823c2d5cd5968d721533be4556a24cffd8"
 dependencies = [
  "chrono",
  "iso8601",
- "nom 7.1.3",
+ "nom 8.0.0",
+ "nom-language",
  "uuid",
 ]
 
@@ -2332,6 +2333,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "nom-language"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2de2bc5b451bfedaef92c90b8939a8fff5770bdcc1fafd6239d086aab8fa6b29"
+dependencies = [
+ "nom 8.0.0",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.3"
diff --git a/Cargo.toml b/Cargo.toml
index 680a3be..e2e4e76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,7 +61,7 @@ rustls-pki-types = "1.7"
 tokio-stream = "0.1"
 futures = "0.3"
 wiremock = "0.6"
-icalendar = "0.15"
+icalendar = "0.17"
 chrono-tz = "0.10"
 rrule = "0.10"
 chrono = "0.4"