diff --git a/fuzz/go.mod b/fuzz/go.mod
index 01aa151..30a32d6 100644
--- a/fuzz/go.mod
+++ b/fuzz/go.mod
@@ -1,6 +1,6 @@
 module github.com/filecoin-project/go-amt-ipld/fuzz
 
-go 1.21
+go 1.22
 
 replace github.com/filecoin-project/go-amt-ipld/v4 => ../
 
diff --git a/go.mod b/go.mod
index 53891c2..5130f77 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/filecoin-project/go-amt-ipld/v4
 
-go 1.21
+go 1.22
 
 require (
 	github.com/ipfs/go-block-format v0.2.0