diff --git a/Cargo.toml b/Cargo.toml
index 8d283ef..7868197 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 
 [dependencies]
 crc32fast = "1.2.0"
-esplugin = "4.0.0"
+esplugin = "4.1.0"
 nom = "7.0.0"
 pelite = "0.10.0"
 regex = "1.0.5"
diff --git a/ffi/src/constants.rs b/ffi/src/constants.rs
index 7bbb6a8..8cb80a9 100644
--- a/ffi/src/constants.rs
+++ b/ffi/src/constants.rs
@@ -72,3 +72,7 @@ pub static LCI_GAME_SKYRIM_VR: c_int = 3;
 /// Game code for Fallout 4 VR.
 #[no_mangle]
 pub static LCI_GAME_FALLOUT_4_VR: c_int = 7;
+
+/// Game code for Starfield.
+#[no_mangle]
+pub static LCI_GAME_STARFIELD: c_int = 9;
diff --git a/ffi/src/helpers.rs b/ffi/src/helpers.rs
index 95b8d60..80988bc 100644
--- a/ffi/src/helpers.rs
+++ b/ffi/src/helpers.rs
@@ -42,6 +42,7 @@ pub fn map_game_type(game_type: c_int) -> Result<GameType, c_int> {
         x if x == LCI_GAME_FALLOUT_NV => Ok(GameType::FalloutNV),
         x if x == LCI_GAME_FALLOUT_4 => Ok(GameType::Fallout4),
         x if x == LCI_GAME_FALLOUT_4_VR => Ok(GameType::Fallout4VR),
+        x if x == LCI_GAME_STARFIELD => Ok(GameType::Starfield),
         _ => Err(LCI_ERROR_INVALID_ARGS),
     }
 }
diff --git a/ffi/tests/ffi.cpp b/ffi/tests/ffi.cpp
index 81024be..fadcaf8 100644
--- a/ffi/tests/ffi.cpp
+++ b/ffi/tests/ffi.cpp
@@ -21,6 +21,7 @@ void test_game_id_values() {
   assert(LCI_GAME_FALLOUT_NV == 5);
   assert(LCI_GAME_FALLOUT_4 == 6);
   assert(LCI_GAME_FALLOUT_4_VR == 7);
+  assert(LCI_GAME_STARFIELD == 9);
 }
 
 void test_lci_condition_parse() {
diff --git a/src/function/eval.rs b/src/function/eval.rs
index 4e2dd9e..516ef9b 100644
--- a/src/function/eval.rs
+++ b/src/function/eval.rs
@@ -129,6 +129,7 @@ fn evaluate_is_master(state: &State, file_path: &Path) -> Result<bool, Error> {
         GameType::Fallout3 => GameId::Fallout3,
         GameType::FalloutNV => GameId::FalloutNV,
         GameType::Fallout4 | GameType::Fallout4VR => GameId::Fallout4,
+        GameType::Starfield => GameId::Starfield,
     };
 
     let path = resolve_path(state, file_path);
diff --git a/src/lib.rs b/src/lib.rs
index d42b7fd..ffa73f9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -35,13 +35,18 @@ pub enum GameType {
     Fallout4,
     Fallout4VR,
     Morrowind,
+    Starfield,
 }
 
 impl GameType {
     fn supports_light_plugins(self) -> bool {
         matches!(
             self,
-            GameType::SkyrimSE | GameType::SkyrimVR | GameType::Fallout4 | GameType::Fallout4VR
+            GameType::SkyrimSE
+                | GameType::SkyrimVR
+                | GameType::Fallout4
+                | GameType::Fallout4VR
+                | GameType::Starfield
         )
     }
 }
@@ -301,11 +306,12 @@ mod tests {
     }
 
     #[test]
-    fn game_type_supports_light_plugins_should_be_true_for_tes5se_tes5vr_fo4_and_fo4vr() {
+    fn game_type_supports_light_plugins_should_be_true_for_tes5se_tes5vr_fo4_fo4vr_and_starfield() {
         assert!(GameType::SkyrimSE.supports_light_plugins());
         assert!(GameType::SkyrimVR.supports_light_plugins());
         assert!(GameType::Fallout4.supports_light_plugins());
         assert!(GameType::Fallout4VR.supports_light_plugins());
+        assert!(GameType::Starfield.supports_light_plugins());
     }
 
     #[test]