diff --git a/internal/pkg/image_repositories/build_workflow.go b/internal/pkg/image_repositories/build_workflow.go
index 8197a8d..1c2cfd9 100644
--- a/internal/pkg/image_repositories/build_workflow.go
+++ b/internal/pkg/image_repositories/build_workflow.go
@@ -114,13 +114,17 @@
 				Strategy: GithubWorkflowStrategy{
 					Matrix: map[string]interface{}{
 						"from":    []string{"focal", "jammy"},
-						"release": []string{"wallaby", "xena", "yoga", "zed"},
+						"release": []string{"wallaby", "xena", "yoga", "zed", "2023.1"},
 						"exclude": []map[string]string{
 							{
 								"from":    "focal",
 								"release": "zed",
 							},
 							{
+								"from":    "focal",
+								"release": "2023.1",
+							},
+							{
 								"from":    "jammy",
 								"release": "wallaby",
 							},
@@ -146,7 +150,7 @@
 					},
 					{
 						Name: "Setup environment variables",
-						Run:  "echo PROJECT_REF=$(cat manifest.yml | yq \".${{ matrix.release }}.sha\") >> $GITHUB_ENV",
+						Run:  "echo PROJECT_REF=$(cat manifest.yml | yq '.\"${{ matrix.release }}\".sha') >> $GITHUB_ENV",
 					},
 					{
 						Name: "Authenticate with Quay.io",
diff --git a/internal/pkg/image_repositories/manifest.go b/internal/pkg/image_repositories/manifest.go
index 72e66aa..24795a7 100644
--- a/internal/pkg/image_repositories/manifest.go
+++ b/internal/pkg/image_repositories/manifest.go
@@ -15,10 +15,11 @@
 }
 
 type ImageManifest struct {
-	Wallaby *ReleaseManifest `yaml:"wallaby"`
-	Xena    *ReleaseManifest `yaml:"xena"`
-	Yoga    *ReleaseManifest `yaml:"yoga"`
-	Zed     *ReleaseManifest `yaml:"zed"`
+	Wallaby  *ReleaseManifest `yaml:"wallaby"`
+	Xena     *ReleaseManifest `yaml:"xena"`
+	Yoga     *ReleaseManifest `yaml:"yoga"`
+	Zed      *ReleaseManifest `yaml:"zed"`
+	Antelope *ReleaseManifest `yaml:"2023.1"`
 }
 
 func NewImageManifest(project string, client *github.Client) (*ImageManifest, error) {
@@ -42,11 +43,17 @@
 		return nil, err
 	}
 
+	antelope, err := getReleaseManifest(client, project, "2023.1")
+	if err != nil {
+		return nil, err
+	}
+
 	return &ImageManifest{
-		Wallaby: wallaby,
-		Xena:    xena,
-		Yoga:    yoga,
-		Zed:     zed,
+		Wallaby:  wallaby,
+		Xena:     xena,
+		Yoga:     yoga,
+		Zed:      zed,
+		Antelope: antelope,
 	}, nil
 }