diff --git a/go/go.mod b/go/go.mod
index ccb4451..10fea11 100644
--- a/go/go.mod
+++ b/go/go.mod
@@ -10,7 +10,8 @@ require (
 	github.com/samber/mo v1.12.0
 	github.com/titanous/json5 v1.0.0
 	github.com/yuin/goldmark v1.8.7
-	go.yaml.in/yaml/v3 v3.0.6
+	go.yaml.in/yaml/v3 v3.0.4
+	go.yaml.in/yaml/v4 v4.0.0
 )
 
 require (
diff --git a/go/go.sum b/go/go.sum
index 05fef0a..264381d 100644
--- a/go/go.sum
+++ b/go/go.sum
@@ -44,8 +44,11 @@ github.com/titanous/json5 v1.0.0 h1:hJf8Su1d9NuI/ffpxgxQfxh/UiBFZX7bMPid0rIL/7s=
 github.com/titanous/json5 v1.0.0/go.mod h1:7JH1M8/LHKc6cyP5o5g3CSaRj+mBrIimTxzpvmckH8c=
 github.com/yuin/goldmark v1.8.7 h1:XT/tNqCIbabh0ln675w4x3dv04kQBKi8NwYqi9IJaxI=
 github.com/yuin/goldmark v1.8.7/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
+go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 go.yaml.in/yaml/v3 v3.0.6 h1:zcDfvjXEqTQmpjniUBLc91xYJMB2c4QOFxEF/LCEckM=
 go.yaml.in/yaml/v3 v3.0.6/go.mod h1:HVTZu1O7/Vkt2N+BFy8Zza+lnLsABggaTM2ZpNIGuKg=
+go.yaml.in/yaml/v4 v4.0.0/go.mod h1:aZqd9kCMsGL7AuUv/m/PvWLdg5sjJsZ4oHDEnfPPfY0=
 golang.org/x/mod v0.37.0 h1:vF1DjpVEshcIqoEaauuHebaLk1O1forxjxBaVn884JQ=
 golang.org/x/mod v0.37.0/go.mod h1:m8S8VeM9r4dzDwjrKO0a1sZP3YjeMamRRlD+fmR2Q/0=
 golang.org/x/net v0.56.0 h1:Rw8j/hFzGvJUZwNBXnAtf5sVDVt+65SK2C7IxCxZt5o=
@@ -62,5 +65,6 @@ golang.org/x/tools v0.47.0 h1:7Kn5x/d1svx/PzryTsqeoZN4TZwqeH5pGWjefhLi/1Q=
 golang.org/x/tools v0.47.0/go.mod h1:dFHnyTvFWY212G+h7ZY4Vsp/K3U4/7W9TyVaAul8uCA=
 google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
 google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/sourcemap.v1 v1.0.5 h1:inv58fC9f9J3TK2Y2R1NPntXEn3/wjWHkonhIUODNTI=
 gopkg.in/sourcemap.v1 v1.0.5/go.mod h1:2RlvNNSMglmRrcvhfuzp4hQHwOtjxlbjX7UPY/GXb78=
diff --git a/go/package.nix b/go/package.nix
index 5dd6b6f..1aa5839 100644
--- a/go/package.nix
+++ b/go/package.nix
@@ -3,7 +3,7 @@ buildGo127Module {
   pname = "meissa-tools";
   version = (lib.importJSON ../.release-please-manifest.json).go or "0.0.0";
   src = lib.fileset.toSource { root = ./.; fileset = ./.; };
-  vendorHash = "sha256-gXUE5nvRY4WOvIP0ZM5WscVD6BCXFgjD0OQ+gx/XBFs=";
+  vendorHash = "sha256-SWHQ6/FaLmY0qYQsDw+OTZ0XZHJAAA5ANwvhlsRR3WQ=";
   subPackages = [ "cmd/code-shape-gate" "cmd/ref-gate" "cmd/refresh-nix-hashes" ];
   env.CGO_ENABLED = "0";
   ldflags = [ "-s" "-w" ];