diff --git a/changes/deps-nntp-testkit-0.14.0.md b/changes/deps-nntp-testkit-0.14.0.md
new file mode 100644
index 0000000..4fc0e32
--- /dev/null
+++ b/changes/deps-nntp-testkit-0.14.0.md
@@ -0,0 +1,2 @@
+Other changes:
+* The end-to-end tests use nntp-testkit 0.14.0 (still Go 1.26 or later).
diff --git a/tests/e2e/go.mod b/tests/e2e/go.mod
index dc3cf08..2c6cf4e 100644
--- a/tests/e2e/go.mod
+++ b/tests/e2e/go.mod
@@ -2,4 +2,4 @@ module github.com/go-while/NewsCache/tests/e2e
 
 go 1.26.0
 
-require github.com/go-while/nntp-testkit v0.12.0
+require github.com/go-while/nntp-testkit v0.14.0
diff --git a/tests/e2e/go.sum b/tests/e2e/go.sum
index 22a0bf4..fbbb3be 100644
--- a/tests/e2e/go.sum
+++ b/tests/e2e/go.sum
@@ -1,2 +1,2 @@
-github.com/go-while/nntp-testkit v0.12.0 h1:4E3X4sgwBeCm7g0Reea5JiqhgLxXTMn1UqpYx+opGA0=
-github.com/go-while/nntp-testkit v0.12.0/go.mod h1:ToP/P8mZXHw5kBz8er8EmSG3ZHyVF4pR5iuauD2MyTM=
+github.com/go-while/nntp-testkit v0.14.0 h1:ye0xVxArTxAcf7ztnPXY/UkvnLDAu4i7Dyrd419ghEA=
+github.com/go-while/nntp-testkit v0.14.0/go.mod h1:ToP/P8mZXHw5kBz8er8EmSG3ZHyVF4pR5iuauD2MyTM=