diff --git a/Cargo.toml b/Cargo.toml
index d740779abe..f8b6eee422 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,6 +30,6 @@ libc = { version = "0.2", optional = true }
 # in Rust code it is imported as `syscall`, NOT `redox_syscall`.
 # This dep is optional and gated by the `redox_syscall` feature
 # above. Matching upstream `libredox 0.1.18` structure.
-redox_syscall = { path = "../syscall", version = "0.9.0", optional = true }
+redox_syscall = { path = "../syscall", version = "0.9.0-rb0.2.5", optional = true }
 ioslice = { version = "0.6", optional = true }
 plain = { version = "0.2", optional = true }