diff --git a/bot/internal/bot/label.go b/bot/internal/bot/label.go
index 855d62f..b881ed9 100644
--- a/bot/internal/bot/label.go
+++ b/bot/internal/bot/label.go
@@ -66,6 +66,12 @@ func (b *Bot) labels(ctx context.Context, files []github.PullRequestFile) ([]str
 		labels = append(labels, string(prSize(files)))
 	}
 
+	c := classifyChanges(b.c, files)
+	if c.Docs && !c.Code {
+		log.Println("Label: Adding no-changelog because this is a docs-only change.")
+		labels = append(labels, NoChangelogLabel)
+	}
+
 	// The branch name is unsafe, but here we are simply adding a label.
 	if b.c.Environment.Repository != env.CloudRepo && isReleaseBranch(b.c.Environment.UnsafeBase) {
 		log.Println("Label: Found backport branch.")
diff --git a/bot/internal/bot/label_test.go b/bot/internal/bot/label_test.go
index fe67391..5c860f5 100644
--- a/bot/internal/bot/label_test.go
+++ b/bot/internal/bot/label_test.go
@@ -56,7 +56,7 @@ func TestLabel(t *testing.T) {
 					Deletions: 10,
 				},
 			},
-			labels: []string{"documentation", string(small)},
+			labels: []string{"documentation", NoChangelogLabel, string(small)},
 		},
 		{
 			desc:   "helm",
@@ -91,7 +91,7 @@ func TestLabel(t *testing.T) {
 					Deletions: 1000,
 				},
 			},
-			labels: []string{"backport", "documentation", string(xlarge)},
+			labels: []string{"backport", "documentation", "no-changelog", string(xlarge)},
 		},
 		{
 			desc:   "web only",