diff --git a/Cargo.toml b/Cargo.toml
index 7a856d05fb564b3309fb8eba8f14067e05227a7b..dbb2fd46218b11dc99c9ab320284a8e91cb512cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["game-development"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-big-brain-derive = "*"
+big-brain-derive = "0.1"
 specs = { version = "0.16.1", features = ["parallel", "shred-derive", "specs-derive"] }
 serde = "1.0.111"
 typetag = "0.1.5"
diff --git a/big-brain-derive/Cargo.toml b/big-brain-derive/Cargo.toml
index a9cbce462c4e29a5060b39d76f6a45b854d58915..c4d7edb0e3ba1538950b269698b429874648a3ce 100644
--- a/big-brain-derive/Cargo.toml
+++ b/big-brain-derive/Cargo.toml
@@ -14,6 +14,6 @@ proc-macro = true
 [dependencies]
 syn = "1.0.33"
 quote = "1.0.7"
-big-brain = "*"
+big-brain = "0.1"
 proc-macro2 = "1.0.18"
 darling = "0.10.2"