diff --git a/go.mod b/go.mod
index 2fd93d8..f006784 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/heroku/heroku-buildpack-nodejs
 go 1.14
 
 require (
-	github.com/jmorrell/semver v0.0.0-20190521202929-0d1a4bb09cfa
+	github.com/jmorrell/semver v3.5.1+incompatible
 	github.com/stretchr/testify v1.7.2
 )
diff --git a/go.sum b/go.sum
index 12d1c35..abd0226 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/jmorrell/semver v0.0.0-20190521202929-0d1a4bb09cfa h1:r1iPuFpnBYOGRucEzPyY4TdeC6+HBUrd79Q9Qg6OdBg=
-github.com/jmorrell/semver v0.0.0-20190521202929-0d1a4bb09cfa/go.mod h1:VxabTS3pB/A0ivrKFcm8NX6RT7Btqn+0hjn8jnozEW8=
+github.com/jmorrell/semver v3.5.1+incompatible h1:FxDClN9J8H76tcTUHmPHRDcEWBjm8VnfoflGfMoP5NQ=
+github.com/jmorrell/semver v3.5.1+incompatible/go.mod h1:mr4SVQ7Lbt4v0kI0c/cx/ocQ4qdj2COhb32VPX4cqRY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=