diff --git a/gleam.toml b/gleam.toml
index 896ff4a..a059562 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -16,7 +16,7 @@ dot_env = ">= 1.2.0 and < 2.0.0"
 gleam_erlang = ">= 1.0.0 and < 2.0.0"
 gleam_otp = ">= 1.0.0 and < 2.0.0"
 gleam_community_ansi = ">= 1.4.3 and < 2.0.0"
-spacetraders_sdk = ">= 1.5.1 and < 2.0.0"
+spacetraders_sdk = ">= 1.5.3 and < 2.0.0"
 
 [dev-dependencies]
 gleeunit = ">= 1.5.1 and < 2.0.0"
diff --git a/manifest.toml b/manifest.toml
index eaa1a7f..4bdd075 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -18,7 +18,7 @@ packages = [
   { name = "gleeunit", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D33B7736CF0766ED3065F64A1EBB351E72B2E8DE39BAFC8ADA0E35E92A6A934F" },
   { name = "ranger", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "gleam_yielder"], otp_app = "ranger", source = "hex", outer_checksum = "C8988E8F8CDBD3E7F4D8F2E663EF76490390899C2B2885A6432E942495B3E854" },
   { name = "simplifile", version = "2.2.1", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C88E0EE2D509F6D86EB55161D631657675AA7684DAB83822F7E59EB93D9A60E3" },
-  { name = "spacetraders_sdk", version = "1.5.1", build_tools = ["gleam"], requirements = ["birl", "gleam_http", "gleam_httpc", "gleam_json", "gleam_stdlib"], otp_app = "spacetraders_sdk", source = "hex", outer_checksum = "51C701576DD44703987B531ED22E13DB05254D3332941BC2E0ED72D661637395" },
+  { name = "spacetraders_sdk", version = "1.5.3", build_tools = ["gleam"], requirements = ["birl", "gleam_http", "gleam_httpc", "gleam_json", "gleam_stdlib"], otp_app = "spacetraders_sdk", source = "hex", outer_checksum = "68D06C93333F646A516587644D6C91E5D07279D74E078FA7966D678E90EC431F" },
 ]
 
 [requirements]
@@ -32,4 +32,4 @@ gleam_json = { version = ">= 3.0.1 and < 4.0.0" }
 gleam_otp = { version = ">= 1.0.0 and < 2.0.0" }
 gleam_stdlib = { version = ">= 0.60.0 and < 1.0.0" }
 gleeunit = { version = ">= 1.5.1 and < 2.0.0" }
-spacetraders_sdk = { version = ">= 1.5.1 and < 2.0.0" }
+spacetraders_sdk = { version = ">= 1.5.3 and < 2.0.0" }