diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 02dc024..478154d 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -13,7 +13,7 @@ jobs:
 
     - uses: actions/setup-go@v5.0.2
       with:
-        go-version: '^1.22.0'
+        go-version: '^1.23.0'
 
     - run: go build -v ./...
 
diff --git a/go.mod b/go.mod
index ae5a360..f942ee4 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/wearemojo/mojo-public-go
 
-go 1.22.0
+go 1.23.0
 
 require (
 	cloud.google.com/go v0.115.1
diff --git a/lib/sanityref/sanityref_test.go b/lib/sanityref/sanityref_test.go
index ce93bb0..721110d 100644
--- a/lib/sanityref/sanityref_test.go
+++ b/lib/sanityref/sanityref_test.go
@@ -201,7 +201,9 @@ func TestResolveReferencesMissingImages(t *testing.T) {
 		},
 	})
 
-	is.Equal(missingDocumentIDs.ToSlice(), []string{"image-id2", "image-id4"})
+	missingDocumentIDsSlice := missingDocumentIDs.ToSlice()
+	slices.Sort(missingDocumentIDsSlice)
+	is.Equal(missingDocumentIDsSlice, []string{"image-id2", "image-id4"})
 
 	// ensures no infinite recursion
 	_, err = json.Marshal(documentMap)