diff --git a/3rd/archives/range-v3-0.12.0.tar.gz b/3rd/archives/range-v3-0.12.0.tar.gz
new file mode 100644
index 0000000..7d1eb5a
Binary files /dev/null and b/3rd/archives/range-v3-0.12.0.tar.gz differ
diff --git a/cmake/deps/core_runtime.cmake b/cmake/deps/core_runtime.cmake
index 8a163ea..e62c6f9 100644
--- a/cmake/deps/core_runtime.cmake
+++ b/cmake/deps/core_runtime.cmake
@@ -41,7 +41,8 @@ set(CPP_TEMPLATE_CORE_RUNTIME_DEFAULT_DEPS
     hash-library::hash-library
     CRCpp::CRCpp
     hex::hex
-    base64::base64)
+    base64::base64
+    range-v3::range-v3)
 set(CPP_TEMPLATE_CORE_RUNTIME_DEFAULT_DEPS
     ${CPP_TEMPLATE_CORE_RUNTIME_DEFAULT_DEPS}
     PARENT_SCOPE)
@@ -152,6 +153,22 @@ if(NOT TARGET nonstd::expected-lite)
     target_include_directories(nonstd::expected-lite INTERFACE
         "${expected-lite_SOURCE_DIR}/include")
 endif()
+# --- range-v3 (Ranges library) ---
+_cpp_template_core_archive_path("${CPP_TEMPLATE_RANGE_V3_ARCHIVE}" _range_v3_archive_path)
+CPMAddPackage(
+    NAME range-v3
+    VERSION ${CPP_TEMPLATE_RANGE_V3_VERSION}
+    URL ${_range_v3_archive_path}
+    URL_HASH SHA256=${CPP_TEMPLATE_RANGE_V3_SHA256}
+    DOWNLOAD_ONLY YES
+)
+if(NOT TARGET range-v3::range-v3)
+    add_library(range-v3::range-v3 INTERFACE IMPORTED)
+    target_include_directories(range-v3::range-v3 INTERFACE
+        "${range-v3_SOURCE_DIR}/include")
+    target_compile_features(range-v3::range-v3 INTERFACE cxx_std_14)
+endif()
+
 
 _cpp_template_core_archive_path("${CPP_TEMPLATE_CPP_HTTPLIB_ARCHIVE}" _cpp_httplib_archive_path)
 CPMAddPackage(
diff --git a/cmake/deps/versions.cmake b/cmake/deps/versions.cmake
index 20df77f..464d899 100644
--- a/cmake/deps/versions.cmake
+++ b/cmake/deps/versions.cmake
@@ -130,6 +130,17 @@ set(CPP_TEMPLATE_EXPECTED_LITE_CPM_OPTIONS
     "EXPECTED_LITE_BUILD_TESTS OFF"
     "EXPECTED_LITE_BUILD_EXAMPLES OFF")
 
+# --- range-v3 (Ranges library, C++14+) ---
+set(CPP_TEMPLATE_RANGE_V3_VERSION "0.12.0")
+set(CPP_TEMPLATE_RANGE_V3_URL "https://github.com/ericniebler/range-v3/archive/refs/tags/0.12.0.tar.gz")
+set(CPP_TEMPLATE_RANGE_V3_ARCHIVE "range-v3-0.12.0.tar.gz")
+set(CPP_TEMPLATE_RANGE_V3_SHA256 "015adb2300a98edfceaf0725beec3337f542af4915cec4d0b89fa0886f4ba9cb")
+set(CPP_TEMPLATE_RANGE_V3_CXX_STANDARD 14)
+set(CPP_TEMPLATE_RANGE_V3_TARGETS "range-v3::range-v3")
+set(CPP_TEMPLATE_RANGE_V3_PRESETS "debug;release;fuzz")
+set(CPP_TEMPLATE_RANGE_V3_CPM_OPTIONS "")
+# Note: header-only, no CMake options needed; CPM module wraps as INTERFACE target.
+
 # --- cpp-httplib (HTTP server/client baseline) ---
 set(CPP_TEMPLATE_CPP_HTTPLIB_VERSION "0.18.3")
 set(CPP_TEMPLATE_CPP_HTTPLIB_URL "https://github.com/yhirose/cpp-httplib/archive/refs/tags/v0.18.3.tar.gz")