diff --git a/go.mod b/go.mod
index e6c84e5..e8b774b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,24 @@
 module github.com/ribtoks/parent-issue-action
 
-go 1.14
+go 1.21
+
+toolchain go1.23.2
 
 require (
 	github.com/google/go-github/v31 v31.0.0
-	github.com/google/go-github/v56 v56.0.0
+	github.com/google/go-github/v66 v66.0.0
 	golang.org/x/oauth2 v0.23.0
 )
+
+require (
+	cloud.google.com/go/compute/metadata v0.3.0 // indirect
+	github.com/golang/protobuf v1.3.2 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
+	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 // indirect
+	golang.org/x/net v0.0.0-20190311183353-d8887717615a // indirect
+	golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a // indirect
+	golang.org/x/text v0.3.0 // indirect
+	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 // indirect
+	google.golang.org/appengine v1.1.0 // indirect
+)
diff --git a/go.sum b/go.sum
index 908855b..04857da 100644
--- a/go.sum
+++ b/go.sum
@@ -140,10 +140,12 @@ github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
 github.com/google/go-github/v31 v31.0.0 h1:JJUxlP9lFK+ziXKimTCprajMApV1ecWD4NB6CCb0plo=
 github.com/google/go-github/v31 v31.0.0/go.mod h1:NQPZol8/1sMoWYGN2yaALIBytu17gAWfhbweiEed3pM=
 github.com/google/go-github/v56 v56.0.0/go.mod h1:D8cdcX98YWJvi7TLo7zM4/h8ZTx6u6fwGEkCdisopo0=
+github.com/google/go-github/v66 v66.0.0/go.mod h1:+4SO9Zkuyf8ytMj0csN1NR/5OTR+MfqPp8P8dVlcvY4=
 github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
diff --git a/vendor/golang.org/x/oauth2/go.mod b/vendor/golang.org/x/oauth2/go.mod
deleted file mode 100644
index d73aa69..0000000
--- a/vendor/golang.org/x/oauth2/go.mod
+++ /dev/null
@@ -1,8 +0,0 @@
-module golang.org/x/oauth2
-
-go 1.18
-
-require (
-	cloud.google.com/go/compute/metadata v0.3.0
-	github.com/google/go-cmp v0.5.9
-)
diff --git a/vendor/golang.org/x/oauth2/go.sum b/vendor/golang.org/x/oauth2/go.sum
deleted file mode 100644
index 0c90528..0000000
--- a/vendor/golang.org/x/oauth2/go.sum
+++ /dev/null
@@ -1,4 +0,0 @@
-cloud.google.com/go/compute/metadata v0.3.0 h1:Tz+eQXMEqDIKRsmY3cHTL6FVaynIjX2QxYC4trgAKZc=
-cloud.google.com/go/compute/metadata v0.3.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 484836d..32e2857 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,11 +1,19 @@
-# github.com/google/go-github/v31 v31.0.0
+# cloud.google.com/go/compute/metadata v0.3.0
+## explicit; go 1.19
+# github.com/golang/protobuf v1.3.2
 ## explicit
+# github.com/google/go-cmp v0.6.0
+## explicit; go 1.13
+# github.com/google/go-github/v31 v31.0.0
+## explicit; go 1.13
 github.com/google/go-github/v31/github
-# github.com/google/go-github/v56 v56.0.0
-## explicit
+# github.com/google/go-github/v66 v66.0.0
+## explicit; go 1.21
 # github.com/google/go-querystring v1.1.0
+## explicit; go 1.10
 github.com/google/go-querystring/query
 # golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
+## explicit
 golang.org/x/crypto/cast5
 golang.org/x/crypto/openpgp
 golang.org/x/crypto/openpgp/armor
@@ -13,7 +21,17 @@ golang.org/x/crypto/openpgp/elgamal
 golang.org/x/crypto/openpgp/errors
 golang.org/x/crypto/openpgp/packet
 golang.org/x/crypto/openpgp/s2k
-# golang.org/x/oauth2 v0.23.0
+# golang.org/x/net v0.0.0-20190311183353-d8887717615a
 ## explicit
+# golang.org/x/oauth2 v0.23.0
+## explicit; go 1.18
 golang.org/x/oauth2
 golang.org/x/oauth2/internal
+# golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a
+## explicit
+# golang.org/x/text v0.3.0
+## explicit
+# golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
+## explicit; go 1.11
+# google.golang.org/appengine v1.1.0
+## explicit