diff --git a/crates/anyref-xform/Cargo.toml b/crates/anyref-xform/Cargo.toml
index 7d877e3a..2889fb7d 100644
--- a/crates/anyref-xform/Cargo.toml
+++ b/crates/anyref-xform/Cargo.toml
@@ -13,4 +13,4 @@ edition = '2018'
 
 [dependencies]
 failure = "0.1"
-walrus = "0.4"
+walrus = "0.5"
diff --git a/crates/cli-support/Cargo.toml b/crates/cli-support/Cargo.toml
index a2597fc6..eb8f1b64 100644
--- a/crates/cli-support/Cargo.toml
+++ b/crates/cli-support/Cargo.toml
@@ -17,7 +17,7 @@ failure = "0.1.2"
 log = "0.4"
 rustc-demangle = "0.1.13"
 tempfile = "3.0"
-walrus = "0.4.0"
+walrus = "0.5.0"
 wasm-bindgen-anyref-xform = { path = '../anyref-xform', version = '=0.2.38' }
 wasm-bindgen-shared = { path = "../shared", version = '=0.2.38' }
 wasm-bindgen-threads-xform = { path = '../threads-xform', version = '=0.2.38' }
diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
index 63a60c95..6b699b90 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -24,7 +24,7 @@ rouille = { version = "3.0.0", default-features = false }
 serde = { version = "1.0", features = ['derive'] }
 serde_derive = "1.0"
 serde_json = "1.0"
-walrus = "0.4"
+walrus = "0.5"
 wasm-bindgen-cli-support = { path = "../cli-support", version = "=0.2.38" }
 wasm-bindgen-shared = { path = "../shared", version = "=0.2.38" }
 
diff --git a/crates/threads-xform/Cargo.toml b/crates/threads-xform/Cargo.toml
index 44ec057c..d9a57bc3 100644
--- a/crates/threads-xform/Cargo.toml
+++ b/crates/threads-xform/Cargo.toml
@@ -13,4 +13,4 @@ edition = "2018"
 
 [dependencies]
 failure = "0.1"
-walrus = "0.4"
+walrus = "0.5"
diff --git a/crates/wasm-interpreter/Cargo.toml b/crates/wasm-interpreter/Cargo.toml
index 2022884a..13bb1823 100644
--- a/crates/wasm-interpreter/Cargo.toml
+++ b/crates/wasm-interpreter/Cargo.toml
@@ -14,7 +14,7 @@ edition = '2018'
 [dependencies]
 failure = "0.1"
 log = "0.4"
-walrus = "0.4"
+walrus = "0.5"
 
 [dev-dependencies]
 tempfile = "3"