diff --git a/appsec/src/helper/client.cpp b/appsec/src/helper/client.cpp
index 545c6005bb..4e98218bb6 100644
--- a/appsec/src/helper/client.cpp
+++ b/appsec/src/helper/client.cpp
@@ -9,12 +9,9 @@
 #include <spdlog/spdlog.h>
 #include <stdexcept>
 #include <string>
-#include <thread>
 
 #include "action.hpp"
-#include "base64.h"
 #include "client.hpp"
-#include "compression.hpp"
 #include "exception.hpp"
 #include "network/broker.hpp"
 #include "network/proto.hpp"
diff --git a/appsec/src/helper/engine_settings.hpp b/appsec/src/helper/engine_settings.hpp
index b61fc52b41..c22df8e8d0 100644
--- a/appsec/src/helper/engine_settings.hpp
+++ b/appsec/src/helper/engine_settings.hpp
@@ -9,7 +9,7 @@
 #include "utils.hpp"
 #include <cstdint>
 #include <msgpack.hpp>
-#include <ostream>
+#include <spdlog/spdlog.h>
 #include <string>
 
 namespace dds {
@@ -71,21 +71,25 @@ struct engine_settings {
                schema_extraction.sample_rate ==
                    oth.schema_extraction.sample_rate;
     }
+};
+
+} // namespace dds
 
-    friend auto &operator<<(std::ostream &os, const engine_settings &c)
+template <> struct fmt::formatter<dds::engine_settings> {
+    constexpr auto parse(format_parse_context &ctx) { return ctx.begin(); }
+
+    template <typename FormatContext>
+    auto format(const dds::engine_settings &c, FormatContext &ctx) const
     {
-        return os << "{rules_file=" << c.rules_file
-                  << ", waf_timeout_us=" << c.waf_timeout_us
-                  << ", trace_rate_limit=" << c.trace_rate_limit
-                  << ", obfuscator_key_regex=" << c.obfuscator_key_regex
-                  << ", obfuscator_value_regex=" << c.obfuscator_value_regex
-                  << ", schema_extraction.enabled="
-                  << c.schema_extraction.enabled
-                  << ", schema_extraction.sample_rate=" << std::fixed
-                  << c.schema_extraction.sample_rate << "}";
+        return format_to(ctx.out(),
+            "{{rules_file={}, waf_timeout_us={}, trace_rate_limit={}, "
+            "obfuscator_key_regex={}, obfuscator_value_regex={}, "
+            "schema_extraction.enabled={}, schema_extraction.sample_rate={}}}",
+            c.rules_file, c.waf_timeout_us, c.trace_rate_limit,
+            c.obfuscator_key_regex, c.obfuscator_value_regex,
+            c.schema_extraction.enabled, c.schema_extraction.sample_rate);
     }
 };
-} // namespace dds
 
 namespace std {
 template <> struct hash<dds::engine_settings> {
diff --git a/appsec/src/helper/json_helper.cpp b/appsec/src/helper/json_helper.cpp
index 9a785ddc7e..a9c8bc7851 100644
--- a/appsec/src/helper/json_helper.cpp
+++ b/appsec/src/helper/json_helper.cpp
@@ -13,6 +13,7 @@
 #include <rapidjson/error/en.h>
 #include <rapidjson/prettywriter.h>
 #include <string_view>
+#include <type_traits>
 
 using namespace std::literals;
 
@@ -176,8 +177,9 @@ json_helper::get_field_of_type(const rapidjson::Value &parent_field,
     }
 
     if (type != output_itr->value.GetType()) {
-        SPDLOG_DEBUG("Field {} is not of type {}. Instead {}", key, type,
-            output_itr->value.GetType());
+        SPDLOG_DEBUG("Field {} is not of type {}. Instead {}", key,
+            fmt::underlying(type),
+            fmt::underlying(output_itr->value.GetType()));
         return std::nullopt;
     }
 
diff --git a/appsec/src/helper/remote_config/config.hpp b/appsec/src/helper/remote_config/config.hpp
index 05e5e226c7..d9a5707008 100644
--- a/appsec/src/helper/remote_config/config.hpp
+++ b/appsec/src/helper/remote_config/config.hpp
@@ -7,9 +7,9 @@
 
 #include "../utils.hpp"
 #include "product.hpp"
+#include <spdlog/spdlog.h>
 #include <string>
 #include <string_view>
-#include <vector>
 
 extern "C" {
 #include <sys/mman.h>
@@ -70,15 +70,19 @@ struct config {
     {
         return shm_path == b.shm_path && rc_path == b.rc_path;
     }
+};
+
+} // namespace dds::remote_config
 
-    friend std::ostream &operator<<(std::ostream &os, const config &c)
+template <> struct fmt::formatter<dds::remote_config::config> {
+    constexpr auto parse(format_parse_context &ctx) { return ctx.begin(); }
+
+    auto format(const dds::remote_config::config &c, format_context &ctx) const
     {
-        return os << c.shm_path << ":" << c.rc_path;
+        return fmt::format_to(ctx.out(), "{}:{}", c.shm_path, c.rc_path);
     }
 };
 
-} // namespace dds::remote_config
-
 namespace std {
 template <> struct hash<dds::remote_config::config> {
     std::size_t operator()(const dds::remote_config::config &key) const
diff --git a/appsec/src/helper/remote_config/product.hpp b/appsec/src/helper/remote_config/product.hpp
index a9b70fe60f..80aeb24831 100644
--- a/appsec/src/helper/remote_config/product.hpp
+++ b/appsec/src/helper/remote_config/product.hpp
@@ -5,8 +5,8 @@
 // (https://www.datadoghq.com/). Copyright 2021 Datadog, Inc.
 #pragma once
 
-#include "../config.hpp"
 #include "../utils.hpp"
+#include <spdlog/spdlog.h>
 #include <string_view>
 
 namespace dds::remote_config {
@@ -19,11 +19,6 @@ class product {
 
     bool operator==(const product &other) const { return name_ == other.name_; }
 
-    friend std::ostream &operator<<(std::ostream &os, const product &p)
-    {
-        return os << p.name_;
-    }
-
 private:
     std::string_view name_;
 };
@@ -56,6 +51,17 @@ struct known_products {
 };
 } // namespace dds::remote_config
 
+template <>
+struct fmt::formatter<dds::remote_config::product>
+    : fmt::formatter<std::string_view> {
+
+    auto format(const dds::remote_config::product &p, format_context &ctx) const
+    {
+        auto name = p.name();
+        return formatter<std::string_view>::format(name, ctx);
+    }
+};
+
 namespace std {
 template <> struct hash<dds::remote_config::product> {
     std::size_t operator()(const dds::remote_config::product &product) const
diff --git a/appsec/src/helper/remote_config/settings.hpp b/appsec/src/helper/remote_config/settings.hpp
index 43a7b8340d..5d66ff16a5 100644
--- a/appsec/src/helper/remote_config/settings.hpp
+++ b/appsec/src/helper/remote_config/settings.hpp
@@ -7,10 +7,9 @@
 #pragma once
 
 #include "../utils.hpp"
-#include <algorithm>
-#include <cstdint>
 #include <msgpack.hpp>
 #include <ostream>
+#include <spdlog/fmt/bundled/base.h>
 #include <string>
 
 namespace dds::remote_config {
@@ -32,8 +31,20 @@ struct settings {
 
     MSGPACK_DEFINE_MAP(enabled, shmem_path);
 };
+
 } // namespace dds::remote_config
 
+template <> struct fmt::formatter<dds::remote_config::settings> {
+    constexpr auto parse(fmt::format_parse_context &ctx) { return ctx.begin(); }
+
+    template <typename FormatContext>
+    auto format(const dds::remote_config::settings &s, FormatContext &ctx) const
+    {
+        return fmt::format_to(ctx.out(), "{{enabled={}, shmem_path={}}}",
+            s.enabled, s.shmem_path);
+    }
+};
+
 namespace std {
 template <> struct hash<dds::remote_config::settings> {
     std::size_t operator()(const dds::remote_config::settings &s) const noexcept
diff --git a/appsec/src/helper/service_config.hpp b/appsec/src/helper/service_config.hpp
index 50f277fb45..7e2684e779 100644
--- a/appsec/src/helper/service_config.hpp
+++ b/appsec/src/helper/service_config.hpp
@@ -6,14 +6,37 @@
 #pragma once
 
 #include <atomic>
-#include <map>
-#include <optional>
 #include <spdlog/spdlog.h>
-#include <unordered_map>
 
 namespace dds {
-
 enum class enable_asm_status : unsigned { NOT_SET = 0, ENABLED, DISABLED };
+} // namespace dds
+
+template <>
+struct fmt::formatter<std::atomic<dds::enable_asm_status>>
+    : fmt::formatter<std::string_view> {
+    auto format(const std::atomic<dds::enable_asm_status> &status,
+        format_context &ctx) const
+    {
+        auto val = status.load();
+        std::string_view name{"UNKNOWN"};
+        switch (val) {
+        case dds::enable_asm_status::NOT_SET:
+            name = "NOT_SET";
+            break;
+        case dds::enable_asm_status::ENABLED:
+            name = "ENABLED";
+            break;
+        case dds::enable_asm_status::DISABLED:
+            name = "DISABLED";
+            break;
+        }
+
+        return fmt::formatter<std::string_view>::format(name, ctx);
+    }
+};
+
+namespace dds {
 
 inline std::string_view to_string_view(enable_asm_status status)
 {
diff --git a/appsec/src/helper/subscriber/waf.cpp b/appsec/src/helper/subscriber/waf.cpp
index 0b843f63a7..edffb4691e 100644
--- a/appsec/src/helper/subscriber/waf.cpp
+++ b/appsec/src/helper/subscriber/waf.cpp
@@ -218,7 +218,8 @@ void instance::listener::call(dds::parameter_view &data, event &event)
             parameter_to_json(parameter_view{res.events}),
             res.total_runtime / millis);
         SPDLOG_DEBUG("Waf response: code {} - actions {} - derivatives {}",
-            code, parameter_to_json(parameter_view{res.actions}),
+            fmt::underlying(code),
+            parameter_to_json(parameter_view{res.actions}),
             parameter_to_json(parameter_view{res.derivatives}));
 
     } else {
diff --git a/appsec/third_party/CMakeLists.txt b/appsec/third_party/CMakeLists.txt
index d925ea6a5f..5a7a5c9faa 100644
--- a/appsec/third_party/CMakeLists.txt
+++ b/appsec/third_party/CMakeLists.txt
@@ -45,7 +45,7 @@ endif()
 FetchContent_Declare(
     spdlog
     GIT_REPOSITORY https://github.com/gabime/spdlog.git
-    GIT_TAG eb3220622e73a4889eee355ffa37972b3cac3df5)
+    GIT_TAG 5fd32e1a70871e2f6a52734e36bc33cb7ac022a5)
 FetchContent_MakeAvailable(spdlog)
 set_target_properties(spdlog PROPERTIES POSITION_INDEPENDENT_CODE 1)