diff --git a/ext/entity.c b/ext/entity.c
index 55e92d6..3d8b70e 100644
--- a/ext/entity.c
+++ b/ext/entity.c
@@ -79,6 +79,9 @@ static VALUE Sketchup_Entity_typename(VALUE self)
   		case SURefType_LineStyleManager: return rb_str_new2("LineStyleManager");
   		case SURefType_Selection: return rb_str_new2("Selection");
   		case SURefType_LayerFolder: return rb_str_new2("LayerFolder");
+		case SURefType_Environment: return rb_str_new2("Environment");
+		case SURefType_Environments: return rb_str_new2("Environments");
+		case SURefType_Snap: return rb_str_new2("Snap");
 	}
 }
 
diff --git a/packages.json b/packages.json
index 090d781..1d05fa6 100644
--- a/packages.json
+++ b/packages.json
@@ -1,13 +1,13 @@
 {
 	"sketchup-sdk-mac" : {
-		"tag": "v0.0.0",
-		"file": "SDK_Mac_2024-0-595.zip",
-		"sha": "41968e873fcf74ead4eee95faa22dc8148e08dad7442fdab3d294cbb724cc2e3"
+		"tag": "v2026.0.0",
+		"file": "SDK_Mac_2026-0-428.zip",
+		"sha": "cfbe473111bce53f5b583cb26da32cc144d34786f3395ea662b4fcdeaac1754a"
 	},
 	"sketchup-sdk-win": {
-		"tag": "v0.0.0",
-		"file": "SDK_WIN_x64_2024-0-594.zip",
-		"sha": "aa16603d53b75d805ad05cf4cd748f3b0e97076100aba442a034697e54a95b3e"
+		"tag": "v2026.0.0",
+		"file": "SDK_WIN_x64_2026-0-429.zip",
+		"sha": "a9af35fb15179b9954e15eb2453c8310fe25ad5c793b8deb1f8cc6b8a73b07ef"
 	},
 	"test-resources": {
 		"tag": "v0.0.0",