diff --git a/Cargo.toml b/Cargo.toml
index d38909c..acb818b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,10 +14,10 @@
     ] }
     structopt = "0.3"
     tokio = { version = "1.4", features = [ "full" ] }
-    wasmtime = "0.33"
-    wasmtime-wasi = "0.33"
-    wasi-common = "0.33"
-    wasi-cap-std-sync = "0.33"
+    wasmtime = "0.34"
+    wasmtime-wasi = "0.34"
+    wasi-common = "0.34"
+    wasi-cap-std-sync = "0.34"
     wasi-experimental-http = { path = "crates/wasi-experimental-http" }
     wasi-experimental-http-wasmtime = { path = "crates/wasi-experimental-http-wasmtime" }
 
diff --git a/crates/wasi-experimental-http-wasmtime/Cargo.toml b/crates/wasi-experimental-http-wasmtime/Cargo.toml
index 819feb3..dfa0301 100644
--- a/crates/wasi-experimental-http-wasmtime/Cargo.toml
+++ b/crates/wasi-experimental-http-wasmtime/Cargo.toml
@@ -21,6 +21,6 @@
     tokio = { version = "1.4.0", features = [ "full" ] }
     tracing = { version = "0.1", features = [ "log" ] }
     url = "2.2.1"
-    wasmtime = "0.33"
-    wasmtime-wasi = "0.33"
-    wasi-common = "0.33"
+    wasmtime = "0.34"
+    wasmtime-wasi = "0.34"
+    wasi-common = "0.34"