diff --git a/pkgs/by-name/we/weaver/package.nix b/pkgs/by-name/we/weaver/package.nix
index b04008383408..796a0c399866 100644
--- a/pkgs/by-name/we/weaver/package.nix
+++ b/pkgs/by-name/we/weaver/package.nix
@@ -9,16 +9,16 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "weaver";
-  version = "0.19.0";
+  version = "0.20.0";
 
   src = fetchFromGitHub {
     owner = "open-telemetry";
     repo = "weaver";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-6rBgGU+6/EZaKkDdbRZPY+5ZS2mnUiPIPymhVpqVPX0=";
+    hash = "sha256-cZWxXcU5yn1ShLWVMZznVNBmhx5npUGc3lJuuchb/FA=";
   };
 
-  cargoHash = "sha256-9i+6xqOUUSWBPeoqgO9TpS2AkVLRB1CCZfMrPsZj8JQ=";
+  cargoHash = "sha256-4ezcHKXmEmnkRG6/Pt0ENUlkga7SesMfI52txEH9ph0=";
 
   checkFlags = [
     # Skip tests requiring network