diff --git a/examples/hello_world/Cargo.toml b/examples/hello_world/Cargo.toml
index abf0824..a25281f 100644
--- a/examples/hello_world/Cargo.toml
+++ b/examples/hello_world/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 [dependencies]
 win_etw_macros = { path = "../../win_etw_macros" }
 win_etw_provider = { path = "../../win_etw_provider" }
-widestring = "^0.4"
+widestring = "^1.0"
 winapi = { version = "^0.3.8", features = ["ntstatus"] }
 
 [features]
diff --git a/win_etw_provider/Cargo.toml b/win_etw_provider/Cargo.toml
index f11929b..2e2e690 100644
--- a/win_etw_provider/Cargo.toml
+++ b/win_etw_provider/Cargo.toml
@@ -11,8 +11,8 @@ readme = "../README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-widestring = "^0.4"
-zerocopy = "^0.3"
+widestring = "^1.0"
+zerocopy = "^0.6"
 win_etw_metadata = { version = "^0.1.1", path = "../win_etw_metadata" }
 
 [target.'cfg(windows)'.dependencies]