diff --git a/pkgs/development/interpreters/wasmer/default.nix b/pkgs/development/interpreters/wasmer/default.nix
index b6bb4c16634f..5666b078b4c3 100644
--- a/pkgs/development/interpreters/wasmer/default.nix
+++ b/pkgs/development/interpreters/wasmer/default.nix
@@ -14,16 +14,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wasmer";
-  version = "3.1.0";
+  version = "3.1.1";
 
   src = fetchFromGitHub {
     owner = "wasmerio";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-t/ObsvUSNGFvHkVH2nl8vLFI+5GUQx6niCgeH4ykk/0=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-797I3FBBfnAgNfOdMajm3WNkMo3MUXb1347LBggXrLk=";
   };
 
-  cargoSha256 = "sha256-75/0D0lrV50wH51Ll7M1Lvqj2kRSaJXiQWElxCaF9mE=";
+  cargoHash = "sha256-zUTwhfRLKUixgj3JXiz2QOuwbFhfget+GcFSRL1QJ3w=";
 
   nativeBuildInputs = [ rustPlatform.bindgenHook ];