diff --git a/pkgs/applications/editors/vscode/extensions/elijah-potter.harper/default.nix b/pkgs/applications/editors/vscode/extensions/elijah-potter.harper/default.nix
index 0eb911d40c5d..e89154ba7ea5 100644
--- a/pkgs/applications/editors/vscode/extensions/elijah-potter.harper/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/elijah-potter.harper/default.nix
@@ -13,7 +13,7 @@ vscode-utils.buildVscodeMarketplaceExtension {
     name = "harper";
     publisher = "elijah-potter";
     version = harper.version;
-    hash = "sha256-ifOUhBsEtBNGB4m+y6p82ZNk2CAeyTzmgz76GRh+f90=";
+    hash = "sha256-84yN7qiGaNp9XtLYOOOw1vWkiH9wAH1Tp9rE/8Vpk7A=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/ha/harper/package.nix b/pkgs/by-name/ha/harper/package.nix
index 46688f772f7a..fa20362a3df9 100644
--- a/pkgs/by-name/ha/harper/package.nix
+++ b/pkgs/by-name/ha/harper/package.nix
@@ -8,18 +8,18 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "harper";
-  version = "1.1.0";
+  version = "1.2.0";
 
   src = fetchFromGitHub {
     owner = "Automattic";
     repo = "harper";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-Lh612FwMvr3Dn8LxixF+igrLyGYiIFOSRzCpASB8zZ8=";
+    hash = "sha256-EyS07pkPvXaC5PVHt7T/w3et3Zfbqw4nPQNdif/8I4Y=";
   };
 
   buildAndTestSubdir = "harper-ls";
 
-  cargoHash = "sha256-lNFxnp1s7WMwgauPGexWc6swVSz8GpAOYJnUszXM3G0=";
+  cargoHash = "sha256-vNUsos2kI7jitS+1373npE/wS1VkcrFq3h4LvsnXne0=";
 
   passthru.updateScript = nix-update-script { };