diff --git a/go.mod b/go.mod
index e76267a..ea7f5d9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,7 @@
 module git.front.kjuulh.io/kjuulh/byg
 
-go 1.19
+go 1.23.0
 
-require golang.org/x/sync v0.1.0
+toolchain go1.24.5
+
+require golang.org/x/sync v0.16.0
diff --git a/go.sum b/go.sum
index 595d314..77b05c3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,4 @@
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=