diff --git a/go.mod b/go.mod
index 7ce49bb..97975dc 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.19
 require (
 	github.com/containrrr/shoutrrr v0.8.0
 	github.com/martinusso/inflect v0.0.0-20161215184957-e234d1ee70de
-	github.com/rickar/cal/v2 v2.1.14
+	github.com/rickar/cal/v2 v2.1.15
 	github.com/robfig/cron v1.2.0
 	github.com/shurcooL/githubv4 v0.0.0-20221229060216-a8d4a561cc93
 	golang.org/x/oauth2 v0.16.0
diff --git a/go.sum b/go.sum
index d9f3259..b03da5a 100644
--- a/go.sum
+++ b/go.sum
@@ -21,8 +21,8 @@ github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPn
 github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/onsi/ginkgo/v2 v2.9.2 h1:BA2GMJOtfGAfagzYtrAlufIP0lq6QERkFmHLMLPwFSU=
 github.com/onsi/gomega v1.27.6 h1:ENqfyGeS5AX/rlXDd/ETokDz93u0YufY1Pgxuy/PvWE=
-github.com/rickar/cal/v2 v2.1.14 h1:h+tVs7ZNRcZylKS7iVZE7Ll/2sT7sFaRwfxJBGAZac4=
-github.com/rickar/cal/v2 v2.1.14/go.mod h1:/fdlMcx7GjPlIBibMzOM9gMvDBsrK+mOtRXdTzUqV/A=
+github.com/rickar/cal/v2 v2.1.15 h1:bm6ll40ph9BLvY35Sy5KdT6GxN7UY56ZwCq/cJAxdew=
+github.com/rickar/cal/v2 v2.1.15/go.mod h1:/fdlMcx7GjPlIBibMzOM9gMvDBsrK+mOtRXdTzUqV/A=
 github.com/robfig/cron v1.2.0 h1:ZjScXvvxeQ63Dbyxy76Fj3AT3Ut0aKsyd2/tl3DTMuQ=
 github.com/robfig/cron v1.2.0/go.mod h1:JGuDeoQd7Z6yL4zQhZ3OPEVHB7fL6Ka6skscFHfmt2k=
 github.com/shurcooL/githubv4 v0.0.0-20221229060216-a8d4a561cc93 h1:JNy04upyaTaAGVlUFAL+60/1nphmJtuTu36tLhbaqXk=