diff --git a/pkgs/development/interpreters/wasmtime/default.nix b/pkgs/development/interpreters/wasmtime/default.nix
index f7ef111bc66..b725c3e6e50 100644
--- a/pkgs/development/interpreters/wasmtime/default.nix
+++ b/pkgs/development/interpreters/wasmtime/default.nix
@@ -2,17 +2,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wasmtime";
-  version = "0.19.0";
+  version = "0.20.0";
 
   src = fetchFromGitHub {
     owner = "bytecodealliance";
     repo = "${pname}";
     rev = "v${version}";
-    sha256 = "0gb8xk27ych553b7knflbbks9q64m39v40sdirycm6prqfnfrnm8";
+    sha256 = "01k1fpk2qp4kv0xr4f0xmrjkr98j5ws48r1aks8l80mffs4ynqfr";
     fetchSubmodules = true;
   };
 
-  cargoSha256 = "1dqaxpwfm234yjwrhglzvsqhh2fr5nsx7bpk7bmycyk6lml8vxy7";
+  cargoSha256 = "0vghcs1nbxlkmw9wfikzb1ndscx7fkmgv5q8dnfcisl05zpkj7si";
 
   nativeBuildInputs = [ python cmake clang ];
   buildInputs = [ llvmPackages.libclang ] ++
@@ -23,7 +23,7 @@ rustPlatform.buildRustPackage rec {
 
   meta = with lib; {
     description = "Standalone JIT-style runtime for WebAssembly, using Cranelift";
-    homepage = "https://github.com/CraneStation/wasmtime";
+    homepage = "https://github.com/bytecodealliance/wasmtime";
     license = licenses.asl20;
     maintainers = [ maintainers.matthewbauer ];
     platforms = platforms.unix;