diff --git a/plugins/scheduler-k3s/go.mod b/plugins/scheduler-k3s/go.mod
index 7e0cecd0c..cac7e8c7b 100644
--- a/plugins/scheduler-k3s/go.mod
+++ b/plugins/scheduler-k3s/go.mod
@@ -5,7 +5,7 @@ go 1.26.2
 require (
 	github.com/Masterminds/semver/v3 v3.5.0
 	github.com/aryann/difflib v0.0.0-20210328193216-ff5ff6dc229b
-	github.com/cert-manager/cert-manager v1.20.2
+	github.com/cert-manager/cert-manager v1.20.3
 	github.com/dokku/dokku/plugins/app-json v0.0.0-00010101000000-000000000000
 	github.com/dokku/dokku/plugins/common v0.0.0-00010101000000-000000000000
 	github.com/dokku/dokku/plugins/config v0.0.0-00010101000000-000000000000
diff --git a/plugins/scheduler-k3s/go.sum b/plugins/scheduler-k3s/go.sum
index fedc5fd2a..051d91bd5 100644
--- a/plugins/scheduler-k3s/go.sum
+++ b/plugins/scheduler-k3s/go.sum
@@ -39,8 +39,8 @@ github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK3
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
 github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
-github.com/cert-manager/cert-manager v1.20.2 h1:CimnY00nLqB2lmxhoSuEC4GDMFDK7JCXqyjwMM9ndIQ=
-github.com/cert-manager/cert-manager v1.20.2/go.mod h1:1g/+a/WK5zWH/dXPZa3dMD3aJQJNRXQu+PN17C6WrOw=
+github.com/cert-manager/cert-manager v1.20.3 h1:7zgThbjfRBNjN2/cM/Wdo/vl/oeFQybIMNzxd1Ocipc=
+github.com/cert-manager/cert-manager v1.20.3/go.mod h1:Aqf5P0xRh9aey1p10m2c3UAk/Vb/FBPyH3WQxJRm+7Y=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chai2010/gettext-go v1.0.3 h1:9liNh8t+u26xl5ddmWLmsOsdNLwkdRTg5AG+JnTiM80=