diff --git a/Cargo.toml b/Cargo.toml
index 6f74da4..90aa16b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,6 +18,6 @@ categories = ["no-std", "no-std::no-alloc"]
 
 [workspace.dependencies]
 proc-macro2 = { version = "1", default-features = false }
-ptr_meta_derive = { version = "0.3.0", default-features = false, path = "ptr_meta_derive" }
+ptr_meta_derive = { version = "=0.3.0", default-features = false, path = "ptr_meta_derive" }
 syn = { version = "2", default-features = false }
 quote = { version = "1", default-features = false }