diff --git a/go.mod b/go.mod
index 75c364f..6d950bd 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,9 @@
 module github.com/dhrdlicka/errorbot
 
-go 1.25.1
+go 1.25.3
 
-require github.com/amatsagu/tempest v1.3.4
+require github.com/amatsagu/tempest v1.4.1
 
 require gopkg.in/yaml.v3 v3.0.1
+
+require github.com/gorilla/websocket v1.5.3 // indirect
diff --git a/go.sum b/go.sum
index 7476b23..199115f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
-github.com/amatsagu/tempest v1.3.4 h1:DHDkF8lvPlNwCqJyS7jsLsgVp4gtcFWkyy78Nwu+Z2Y=
-github.com/amatsagu/tempest v1.3.4/go.mod h1:01qHm96xmjNLOd8ErseQuFKvdwdYrXcHpkTY4t3a2NA=
+github.com/amatsagu/tempest v1.4.1 h1:n7YoGZ2mIYghwouRlNO4o0XTSD098r4IyiZRhEmk0Kg=
+github.com/amatsagu/tempest v1.4.1/go.mod h1:gVvUMs35YhFvJVHPYa4aj3ye+VnFek+4Ovo2wrJKQeM=
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=