diff --git a/go.mod b/go.mod
index cb5480c..c6bfbc4 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/gammazero/chanqueue
 
 go 1.25
 
-require github.com/gammazero/deque v1.2.0
+require github.com/gammazero/deque v1.2.1
diff --git a/go.sum b/go.sum
index 4e1cb4e..7e7d528 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-github.com/gammazero/deque v1.2.0 h1:scEFO8Uidhw6KDU5qg1HA5fYwM0+us2qdeJqm43bitU=
-github.com/gammazero/deque v1.2.0/go.mod h1:JVrR+Bj1NMQbPnYclvDlvSX0nVGReLrQZ0aUMuWLctg=
+github.com/gammazero/deque v1.2.1 h1:9fnQVFCCZ9/NOc7ccTNqzoKd1tCWOqeI05/lPqFPMGQ=
+github.com/gammazero/deque v1.2.1/go.mod h1:5nSFkzVm+afG9+gy0VIowlqVAW4N8zNcMne+CMQVD2g=