diff --git a/docs/mkdocs/docs/api/basic_json/meta.md b/docs/mkdocs/docs/api/basic_json/meta.md
index 55476c5f3..9b1ac2a4e 100644
--- a/docs/mkdocs/docs/api/basic_json/meta.md
+++ b/docs/mkdocs/docs/api/basic_json/meta.md
@@ -13,7 +13,7 @@ JSON object holding version information
 
 | key         | description                                                                                                                                                                                                                                                                    |
 |-------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `compiler`  | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). On HP aCC compilers, `compiler` is instead the plain string `hp`. |
+| `compiler`  | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `hp`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). |
 | `copyright` | The copyright line for the library as string.                                                                                                                                                                                                                                  |
 | `name`      | The name of the library as string.                                                                                                                                                                                                                                             |
 | `platform`  | The used platform as string. Possible values are `win32`, `linux`, `apple`, `unix`, and `unknown`.                                                                                                                                                                             |
diff --git a/include/nlohmann/json.hpp b/include/nlohmann/json.hpp
index ac8c9d26c..a56107bc2 100644
--- a/include/nlohmann/json.hpp
+++ b/include/nlohmann/json.hpp
@@ -320,8 +320,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
                     std::to_string(__GNUC_PATCHLEVEL__))
             }
         };
-#elif defined(__HP_cc) || defined(__HP_aCC)
-        result["compiler"] = "hp"
+#elif defined(__HP_aCC)
+        result["compiler"] = {{"family", "hp"}, {"version", __HP_aCC}};
 #elif defined(__IBMCPP__)
         result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}};
 #elif defined(_MSC_VER)
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index d1b85fcfa..8d8a72a48 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -26401,8 +26401,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
                     std::to_string(__GNUC_PATCHLEVEL__))
             }
         };
-#elif defined(__HP_cc) || defined(__HP_aCC)
-        result["compiler"] = "hp"
+#elif defined(__HP_aCC)
+        result["compiler"] = {{"family", "hp"}, {"version", __HP_aCC}};
 #elif defined(__IBMCPP__)
         result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}};
 #elif defined(_MSC_VER)