diff --git a/.go-version b/.go-version
index 0c5bf37..013173a 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21.13
+1.22.6
diff --git a/go.mod b/go.mod
index 6ba50ef..3211e12 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module go.etcd.io/gofail
 
-go 1.21
+go 1.22
 
-toolchain go1.21.13
+toolchain go1.22.6
 
 require github.com/stretchr/testify v1.9.0
 
diff --git a/integration/sleep/go.mod b/integration/sleep/go.mod
index 16f9891..dc1728e 100644
--- a/integration/sleep/go.mod
+++ b/integration/sleep/go.mod
@@ -1,8 +1,8 @@
 module go.etcd.io/gofail/integration/sleep
 
-go 1.21
+go 1.22
 
-toolchain go1.21.11
+toolchain go1.22.6
 
 require go.etcd.io/gofail v0.1.1-0.20240328162059-93c579a86c46