diff --git a/release.go b/release.go
index 37de353..a8be5a3 100644
--- a/release.go
+++ b/release.go
@@ -8,11 +8,13 @@ import (
 
 // Release of a repository tagged via GitHub.
 type Release struct {
-	ID          string
-	Name        string
-	Description string
-	URL         url.URL
-	PublishedAt time.Time
+	ID           string
+	Name         string
+	Description  string
+	URL          url.URL
+	PublishedAt  time.Time
+	IsDraft      bool
+	IsPrerelease bool
 }
 
 // IsReleaseCandidate returns true if the release name hints at an RC release.
@@ -25,7 +27,12 @@ func (r Release) IsBeta() bool {
 	return strings.Contains(strings.ToLower(r.Name), "beta")
 }
 
+// IsDevelopment returns true if the release name hints at a development version release.
+func (r Release) IsDevelopment() bool {
+	return strings.Contains(strings.ToLower(r.Name), "dev")
+}
+
 // IsNonstable returns true if one of the non-stable release-checking functions return true.
 func (r Release) IsNonstable() bool {
-	return r.IsReleaseCandidate() || r.IsBeta()
+	return r.IsReleaseCandidate() || r.IsBeta() || r.IsDevelopment() || r.IsDraft || r.IsPrerelease
 }
diff --git a/releasechecker.go b/releasechecker.go
index e22ef65..d8174d9 100644
--- a/releasechecker.go
+++ b/releasechecker.go
@@ -82,11 +82,13 @@ func (c *Checker) query(owner, name string) (Repository, error) {
 			Releases struct {
 				Edges []struct {
 					Node struct {
-						ID          githubql.ID
-						Name        githubql.String
-						Description githubql.String
-						URL         githubql.URI
-						PublishedAt githubql.DateTime
+						ID           githubql.ID
+						Name         githubql.String
+						Description  githubql.String
+						URL          githubql.URI
+						PublishedAt  githubql.DateTime
+						IsDraft      githubql.Boolean
+						IsPrerelease githubql.Boolean
 					}
 				}
 			} `graphql:"releases(last: 1)"`
@@ -127,11 +129,13 @@ func (c *Checker) query(owner, name string) (Repository, error) {
 		URL:         *query.Repository.URL.URL,
 
 		Release: Release{
-			ID:          releaseID,
-			Name:        string(latestRelease.Name),
-			Description: string(latestRelease.Description),
-			URL:         *latestRelease.URL.URL,
-			PublishedAt: latestRelease.PublishedAt.Time,
+			ID:           releaseID,
+			Name:         string(latestRelease.Name),
+			Description:  string(latestRelease.Description),
+			URL:          *latestRelease.URL.URL,
+			PublishedAt:  latestRelease.PublishedAt.Time,
+			IsDraft:      bool(latestRelease.IsDraft),
+			IsPrerelease: bool(latestRelease.IsPrerelease),
 		},
 	}, nil
 }