diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4331fa34..a4f56666 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: [1.19.x, 1.x]
+        go: [1.22.x, 1.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/cmd/age-keygen/keygen.go b/cmd/age-keygen/keygen.go
index 3971d371..5be3c5e2 100644
--- a/cmd/age-keygen/keygen.go
+++ b/cmd/age-keygen/keygen.go
@@ -158,5 +158,5 @@ func errorf(format string, v ...interface{}) {
 }
 
 func warning(msg string) {
-	log.Printf("age-keygen: warning: " + msg)
+	log.Print("age-keygen: warning: " + msg)
 }
diff --git a/go.mod b/go.mod
index 31df01fe..36ca2fb8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module filippo.io/age
 
-go 1.19
+go 1.22
 
 require (
 	filippo.io/edwards25519 v1.1.0