diff --git a/Cargo.toml b/Cargo.toml
index 53975d8..2d538d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,12 +24,12 @@ game_defs = ["dep:phf", "games"]
 serde = ["dep:serde", "serde/derive"]
 
 [dependencies]
-byteorder = "1.4.3"
-bzip2-rs = "0.1.2"
-crc32fast = "1.3.2"
-serde_json = "1.0.100"
+byteorder = "1.4"
+bzip2-rs = "0.1"
+crc32fast = "1.3"
+serde_json = "1.0"
 
-serde = { version = "1.0.171", optional = true }
+serde = { version = "1.0", optional = true }
 
 phf = { version = "0.11", optional = true, features = ["macros"] }