diff --git a/go.mod b/go.mod
index 8037c2fe..755c0b72 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/markbates/pkger v0.17.1
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/prometheus/client_golang v1.19.1
-	github.com/rickar/cal/v2 v2.1.17
+	github.com/rickar/cal/v2 v2.1.18
 	github.com/spf13/viper v1.19.0
 	github.com/stretchr/testify v1.9.0
 	go.opentelemetry.io/otel v1.28.0
diff --git a/go.sum b/go.sum
index 7eca74b3..0457212f 100644
--- a/go.sum
+++ b/go.sum
@@ -992,6 +992,8 @@ github.com/rickar/cal/v2 v2.1.16 h1:OCbac1I/JTsagh3oyzNbXJWIb5LfdtO79tK+ZAxGjto=
 github.com/rickar/cal/v2 v2.1.16/go.mod h1:/fdlMcx7GjPlIBibMzOM9gMvDBsrK+mOtRXdTzUqV/A=
 github.com/rickar/cal/v2 v2.1.17 h1:alox9Xxc0iokwVX1Qx5Zt8mvbaMYJ/YWx/d6v9aR8iw=
 github.com/rickar/cal/v2 v2.1.17/go.mod h1:/fdlMcx7GjPlIBibMzOM9gMvDBsrK+mOtRXdTzUqV/A=
+github.com/rickar/cal/v2 v2.1.18 h1:oLGYrqVFJ4ynMuyAbvQXpcyDYiD4tGl/Qlp+9ADgENU=
+github.com/rickar/cal/v2 v2.1.18/go.mod h1:/fdlMcx7GjPlIBibMzOM9gMvDBsrK+mOtRXdTzUqV/A=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=