diff --git a/Cargo.toml b/Cargo.toml
index 261b9ef..df2df65 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,4 +17,4 @@ serde_json = "1.0"
 
 [dev-dependencies]
 aseprite-test-data  = "0.1.0"
-png                 = "0.16.7"
+png                 = "0.16.8"
diff --git a/src/lib.rs b/src/lib.rs
index 0286280..6f10877 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -208,6 +208,7 @@ pub struct Layer {
     #[serde(default)] // 0 / missing for groups - editor shows "0" greyed out
     pub opacity: u32,
     // 0 / missing for groups - editor shows "Normal" greyed out
+    #[serde(default)]
     pub blend_mode: BlendMode,
     pub color: Option<Color>,
     pub data: Option<String>,
@@ -242,6 +243,7 @@ pub struct Metadata {
     pub format: String,
     pub size: Dimensions,
     pub scale: String, // Surely this should be a number?
+    #[serde(default)]
     pub frame_tags: Vec<Frametag>,
     #[serde(default)]
     pub layers: Vec<Layer>,