diff --git a/.drone.yml b/.drone.yml
index d5529b0..506fe55 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -26,7 +26,7 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq build-essential cmake g++-10 clang pkg-config
-  - apt-get install -qq catch libcgicc-dev nlohmann-json3-dev libgit2-dev libcurl4-openssl-dev libicu-dev libfmt-dev
+  - apt-get install -qq catch libcgicc-dev nlohmann-json3-dev libgit2-dev libcurl4-openssl-dev libicu-dev libfmt-dev libpugixml-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
   - make VERBOSE=1
@@ -62,7 +62,7 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq build-essential cmake clang pkg-config
-  - apt-get install -qq catch libcgicc-dev nlohmann-json-dev libgit2-dev libcurl4-openssl-dev libicu-dev libfmt-dev
+  - apt-get install -qq catch libcgicc-dev nlohmann-json-dev libgit2-dev libcurl4-openssl-dev libicu-dev libfmt-dev libpugixml-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
   - make VERBOSE=1
@@ -92,7 +92,7 @@ steps:
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
   - apt-get install -qq build-essential cmake clang pkg-config
-  - apt-get install -qq catch libcgicc-dev nlohmann-json-dev libgit2-dev libcurl4-gnutls-dev libicu-dev libfmt-dev
+  - apt-get install -qq catch libcgicc-dev nlohmann-json-dev libgit2-dev libcurl4-gnutls-dev libicu-dev libfmt-dev libpugixml-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
   - make VERBOSE=1
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0940ac3..1f92fae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,6 +43,7 @@ pkg_check_modules(libgit2 REQUIRED IMPORTED_TARGET libgit2)
 find_package(CURL 7.56 REQUIRED)
 find_package(ICU REQUIRED COMPONENTS uc)
 find_package(fmt 4 REQUIRED CONFIG)
+find_package(pugixml REQUIRED CONFIG)
 
 add_subdirectory(src)
 add_subdirectory(src/generators)
diff --git a/CREDITS b/CREDITS
index 804c9a4..72275ec 100644
--- a/CREDITS
+++ b/CREDITS
@@ -44,3 +44,8 @@ FediBlock-backend makes direct use of the following libraries and programs:
     From: Victor Zverovich, Jonathan Müller and community
           https://fmt.dev/
     License: MIT
+
+  pugixml
+    From: Arseny KapoulkineVictor and community
+          https://pugixml.org/
+    License: MIT
diff --git a/README.adoc b/README.adoc
index 7650f1f..2c920e8 100644
--- a/README.adoc
+++ b/README.adoc
@@ -18,6 +18,7 @@
 :uri-libcurl: https://curl.haxx.se/libcurl/
 :uri-icu: http://site.icu-project.org/
 :uri-fmt: https://github.com/fmtlib/fmt
+:uri-pugixml: https://pugixml.org/
 
 *{project}* turns form data into JSON and opens a pull request on
 link:https://schlomp.space/FediBlock/data[FediBlock/data]. Also included are
@@ -115,6 +116,7 @@ The RSS generator expects the blocklist to be in
 * link:{uri-libcurl}[libcurl] (at least: 7.56)
 * link:{uri-icu}[ICU] (tested: 67.1 / 60.2)
 * link:{uri-fmt}[fmt] (tested: 7.0 / 4.0)
+* link:{uri-pugixml}[pugixml] (tested: 1.10 / 1.8)
 * Optional
   ** Tests: link:{uri-catch}[Catch] (tested: 2.5 / 1.10)
   ** DEB package: link:{uri-dpkg}[dpkg] (tested: 1.19)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7fec9f5..7753476 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -20,7 +20,8 @@ target_link_libraries(fediblock
   std::filesystem
   PkgConfig::libgit2
   ICU::uc
-  fmt::fmt)
+  fmt::fmt
+  pugixml)
 
 if(${CMAKE_VERSION} VERSION_LESS 3.12)
   target_link_libraries(fediblock PUBLIC ${CURL_LIBRARIES})
diff --git a/src/generators/rss.cpp b/src/generators/rss.cpp
index 14d2576..75df842 100644
--- a/src/generators/rss.cpp
+++ b/src/generators/rss.cpp
@@ -21,6 +21,7 @@
 #include "time.hpp"
 
 #include <fmt/format.h>
+#include <pugixml.hpp>
 
 #include <algorithm>
 #include <chrono>
@@ -47,27 +48,6 @@ using std::string_view;
 using std::uint8_t;
 using std::chrono::system_clock;
 
-void write_line(ostream &out, const uint8_t spaces, const string_view rsstag,
-                const string_view value)
-{
-    // clang-format off
-    const string endtag{[&rsstag]
-    {
-        // If there is a space in the rsstag, use only the part up until the
-        // space for the ending RSS tag.
-        const size_t pos = rsstag.find(' ');
-        if (pos == string_view::npos)
-        {
-            return rsstag;
-        }
-        return rsstag.substr(0, pos);
-    }()};
-    // clang-format off
-
-    out << string(spaces, ' ');
-    out << '<' << rsstag << '>' << value << "</" << endtag << ">\n";
-}
-
 void write_rss(ostream &out, const vector<entry_type> &entries,
                const vector<string> &tags)
 {
@@ -95,38 +75,43 @@ void write_rss(ostream &out, const vector<entry_type> &entries,
 
     constexpr string_view rss_time_format{"%a, %d %b %Y %T %z"};
 
-    out << R"(<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
-  <channel>
-)";
-    out << R"(    <atom:link href=")" + selfurl
-        << R"(" rel="self" type="application/rss+xml"/>)" << '\n';
-    string title{"FediBlock: "};
-    string description{"The newest FediBlock entries. "};
+    pugi::xml_document doc;
+    auto rss{doc.append_child("rss")};
+    rss.append_attribute("version") = "2.0";
+    rss.append_attribute("xmlns:atom") = "http://www.w3.org/2005/Atom";
+
+    auto channel{rss.append_child("channel")};
+    string tmp_title{"FediBlock: "};
+    string tmp_description{"The newest FediBlock entries. "};
     if (tags.empty())
     {
-        title += "All tags";
-        description += "All tags";
+        tmp_title += "All tags";
+        tmp_description += "All tags";
     }
     else
     {
-        description += "Tags: ";
+        tmp_description += "Tags: ";
     }
     for (const auto &tag : tags)
     {
         if (tag != *tags.begin())
         {
-            title += ", ";
-            description += ", ";
+            tmp_title += ", ";
+            tmp_description += ", ";
         }
-        title += tag;
-        description += tag;
+        tmp_title += tag;
+        tmp_description += tag;
     }
-    description += ".";
-    write_line(out, 4, "title", title);
-    write_line(out, 4, "link", baseurl);
-    write_line(out, 4, "description", description);
-    write_line(out, 4, "lastBuildDate",
-               time::to_string(system_clock::now(), rss_time_format));
+    tmp_description += ".";
+    auto title{channel.append_child("title")};
+    title.text() = tmp_title.c_str();
+    auto link{channel.append_child("link")};
+    link.text() = baseurl.c_str();
+    auto description{channel.append_child("description")};
+    description.text() = tmp_description.c_str();
+    auto lastBuildDate{channel.append_child("lastBuildDate")};
+    lastBuildDate.text() = time::to_string(system_clock::now(), rss_time_format)
+                               .c_str();
 
     for (const auto &entry : entries)
     {
@@ -146,47 +131,53 @@ void write_rss(ostream &out, const vector<entry_type> &entries,
             // clang-format on
         }
 
-        out << "    <item>\n";
-        write_line(out, 6, "title", entry.instance);
-        write_line(out, 6, "guid isPermaLink=\"false\"",
-                   "FediBlock: " + entry.report_time + " " + entry.instance);
-        write_line(out, 6, "pubDate",
-                   time::to_string(entry.report_time, rss_time_format));
-        write_line(out, 6, "link",
-                   format("{:s}#{:s}", baseurl, entry.instance));
+        auto item{channel.append_child("item")};
+        auto item_title{item.append_child("title")};
+        item_title.text() = entry.instance.c_str();
+        auto item_guid{item.append_child("guid")};
+        item_guid.append_attribute("isPermaLink") = "false";
+        item_guid.text() = format("FediBlock: {:s} {:s}", entry.report_time,
+                                  entry.instance)
+                               .c_str();
+        auto item_pubDate{item.append_child("pubDate")};
+        item_pubDate.text() = time::to_string(entry.report_time,
+                                              rss_time_format)
+                                  .c_str();
+        auto item_link{item.append_child("link")};
+        item_link.text() = format("{:s}#{:s}", baseurl, entry.instance).c_str();
 
-        string item_description{format("<p>{:s}</p><p><strong>Tags:</strong> ",
-                                       cgi::text2html(entry.description))};
+        string tmp_item_description{format("<p>{:s}</p>"
+                                           "<p><strong>Tags:</strong> ",
+                                           cgi::text2html(entry.description))};
         for (const auto &tag : entry.tags)
         {
             if (tag != *entry.tags.begin())
             {
-                item_description += ", ";
+                tmp_item_description += ", ";
             }
-            item_description += tag;
+            tmp_item_description += tag;
         }
-        item_description += "</p><strong>Receipts:</strong><ul>";
+        tmp_item_description += "</p><strong>Receipts:</strong><ul>";
         for (const auto &receipt : entry.receipts)
         {
-            item_description +=
-                format("<li><a href=\"{0:s}\">{0:s}</a></li>", receipt);
+            tmp_item_description += format(
+                "<li><a href=\"{0:s}\">{0:s}</a></li>", receipt);
         }
-        item_description += "</ul>";
+        tmp_item_description += "</ul>";
         if (!entry.screenshot_filepath.empty())
         {
-            item_description += "<p><strong>Screenshot:</strong><br>";
-            item_description +=
-                format("<a href=\"{0:s}{1:s}\"><img "
-                       "src=\"{0:s}{1:s}\" height=\"200\"></a></p>\n",
-                       baseurl, entry.screenshot_filepath);
+            tmp_item_description += "<p><strong>Screenshot:</strong><br>";
+            tmp_item_description += format(
+                "<a href=\"{0:s}{1:s}\"><img "
+                "src=\"{0:s}{1:s}\" height=\"200\"></a></p>\n",
+                baseurl, entry.screenshot_filepath);
         }
-        write_line(out, 6, "description",
-                   format("<![CDATA[{:s}]]>", item_description));
-
-        out << "    </item>\n";
+        auto item_description{item.append_child("description")};
+        item_description.append_child(pugi::node_cdata)
+            .set_value(tmp_item_description.c_str());
     }
 
-    out << "  </channel>\n</rss>\n";
+    doc.print(out);
 }
 
 } // namespace FediBlock::rss