diff --git a/lib/fs/Cargo.toml b/lib/fs/Cargo.toml
index 12de8f8..25e4bc6 100644
--- a/lib/fs/Cargo.toml
+++ b/lib/fs/Cargo.toml
@@ -16,6 +16,6 @@ rand = "0.8"
 tokio = { version = "1.36", features = ["full"] }
 tracing = "0.1.37"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-wasmer = { version = "4.x" }
-wasmer-wasix = { version = "0.27" }
+wasmer = { version = "5.0.0-rc.1", features = ["sys"] }
+wasmer-wasix = { version = "0.29" }
 net = { path = "../../lib/net" }
diff --git a/lib/proc/Cargo.toml b/lib/proc/Cargo.toml
index 2253f90..77aefa4 100644
--- a/lib/proc/Cargo.toml
+++ b/lib/proc/Cargo.toml
@@ -11,6 +11,6 @@ uuid = { version = "1.10.0", features = [
     "fast-rng",          # Use a faster (but still sufficiently random) RNG
     "macro-diagnostics", # Enable better diagnostics for compile-time UUIDs
 ] }
-wasmer = { version = "4.x" }
-wasmer-wasix = { version = "0.27" }
+wasmer = { version = "5.0.0-rc.1", features = ["sys"] }
+wasmer-wasix = { version = "0.29" }
 tracing = "0.1.37"