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 5ed345e04dac..0f133f3566c1 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 = "sha256-9deNEjrt8+PGqdF8WH+nh/K7ypG35GRHSW1nYD8LMdU=";
+    hash = "sha256-VAQUB2Wi4asJKJddCdIB9rTPbknXDwyJNnYwKOFJUL8=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/ha/harper/package.nix b/pkgs/by-name/ha/harper/package.nix
index e67ea3f24b74..bea3735b4142 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 = "1.4.1";
+  version = "1.5.1";
 
   src = fetchFromGitHub {
     owner = "Automattic";
     repo = "harper";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-dJd/+9cFT7SVxTg3igJSC3lbOZcVIwjgGtiB+zPVUFU=";
+    hash = "sha256-Gi9MCwc10aVEjPNNw4nIRwGcQo0uE0Hyd3+RrOaCH4c=";
   };
 
   buildAndTestSubdir = "harper-ls";
 
-  cargoHash = "sha256-cc8TR+AJbnmzIBNykw1gh6nkuPZWZ7GsGdq06THlh1s=";
+  cargoHash = "sha256-a3W2y9VVp6uHknsCwVkNRekQsxgq/IzcZQ+3m2Q3Rhk=";
 
   passthru.updateScript = nix-update-script { };