diff --git a/spdlog-fmt-8-fixes.patch b/spdlog-fmt-8-fixes.patch
deleted file mode 100644
index bc72716..0000000
--- a/spdlog-fmt-8-fixes.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-From 1f3bb8df568894d0f9c14785ffb4b41de484b641 Mon Sep 17 00:00:00 2001
-From: Evan Klitzke <evan@eklitzke.org>
-Date: Wed, 23 Jun 2021 11:23:58 -0700
-Subject: [PATCH] Make spdlog_ex::spdlog_ex work with fmt 8.0.0
-
----
- include/spdlog/common-inl.h | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/include/spdlog/common-inl.h b/include/spdlog/common-inl.h
-index c3e992224..5fa4e5d95 100644
---- a/include/spdlog/common-inl.h
-+++ b/include/spdlog/common-inl.h
-@@ -56,7 +56,7 @@ SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg)
- SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno)
- {
-     memory_buf_t outbuf;
--    fmt::format_system_error(outbuf, last_errno, msg);
-+    fmt::format_system_error(outbuf, last_errno, msg.c_str());
-     msg_ = fmt::to_string(outbuf);
- }
diff --git a/spdlog-fmt8.patch b/spdlog-fmt8.patch
new file mode 100644
index 0000000..13ae659
--- /dev/null
+++ b/spdlog-fmt8.patch
@@ -0,0 +1,149 @@
+From 8bf718671a9eac5517c27a5ffe72089b7f426d8c Mon Sep 17 00:00:00 2001
+From: gabime <gmelman1@gmail.com>
+Date: Thu, 24 Jun 2021 13:22:02 +0300
+Subject: [PATCH] Update fmt version 8.0
+
+diff --git a/include/spdlog/common-inl.h b/include/spdlog/common-inl.h
+index c3e992224..5fa4e5d95 100644
+--- a/include/spdlog/common-inl.h
++++ b/include/spdlog/common-inl.h
+@@ -56,7 +56,7 @@ SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg)
+ SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno)
+ {
+     memory_buf_t outbuf;
+-    fmt::format_system_error(outbuf, last_errno, msg);
++    fmt::format_system_error(outbuf, last_errno, msg.c_str());
+     msg_ = fmt::to_string(outbuf);
+ }
+
+diff --git a/src/fmt.cpp b/src/fmt.cpp
+index 9e91beb17..edd52dd55 100644
+--- a/src/fmt.cpp
++++ b/src/fmt.cpp
+@@ -10,94 +10,58 @@
+ #include <spdlog/fmt/bundled/format-inl.h>
+ 
+ 
++
+ FMT_BEGIN_NAMESPACE
+ namespace detail {
+ 
+-template <typename T>
+-int format_float(char* buf, std::size_t size, const char* format, int precision,
+-                 T value) {
+-#ifdef FMT_FUZZ
+-  if (precision > 100000)
+-    throw std::runtime_error(
+-        "fuzz mode - avoid large allocation inside snprintf");
+-#endif
+-  // Suppress the warning about nonliteral format string.
+-  int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;
+-  return precision < 0 ? snprintf_ptr(buf, size, format, value)
+-                       : snprintf_ptr(buf, size, format, precision, value);
++template<typename T>
++int format_float(char *buf, std::size_t size, const char *format, int precision, T value)
++{
++#    ifdef FMT_FUZZ
++    if (precision > 100000)
++        throw std::runtime_error("fuzz mode - avoid large allocation inside snprintf");
++#    endif
++    // Suppress the warning about nonliteral format string.
++    int (*snprintf_ptr)(char *, size_t, const char *, ...) = FMT_SNPRINTF;
++    return precision < 0 ? snprintf_ptr(buf, size, format, value) : snprintf_ptr(buf, size, format, precision, value);
+ }
+ 
+-template FMT_API dragonbox::decimal_fp<float> dragonbox::to_decimal(float x)
+-    FMT_NOEXCEPT;
+-template FMT_API dragonbox::decimal_fp<double> dragonbox::to_decimal(double x)
+-    FMT_NOEXCEPT;
+-
+-// DEPRECATED! This function exists for ABI compatibility.
+-template <typename Char>
+-typename basic_format_context<std::back_insert_iterator<buffer<Char>>,
+-                              Char>::iterator
+-vformat_to(buffer<Char>& buf, basic_string_view<Char> format_str,
+-           basic_format_args<basic_format_context<
+-               std::back_insert_iterator<buffer<type_identity_t<Char>>>,
+-               type_identity_t<Char>>>
+-               args) {
+-  using iterator = std::back_insert_iterator<buffer<char>>;
+-  using context = basic_format_context<
+-      std::back_insert_iterator<buffer<type_identity_t<Char>>>,
+-      type_identity_t<Char>>;
+-  auto out = iterator(buf);
+-  format_handler<iterator, Char, context> h(out, format_str, args, {});
+-  parse_format_string<false>(format_str, h);
+-  return out;
+-}
+-template basic_format_context<std::back_insert_iterator<buffer<char>>,
+-                              char>::iterator
+-vformat_to(buffer<char>&, string_view,
+-           basic_format_args<basic_format_context<
+-               std::back_insert_iterator<buffer<type_identity_t<char>>>,
+-               type_identity_t<char>>>);
+-}  // namespace detail
+-
+-template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>;
++template FMT_API dragonbox::decimal_fp<float> dragonbox::to_decimal(float x) FMT_NOEXCEPT;
++template FMT_API dragonbox::decimal_fp<double> dragonbox::to_decimal(double x) FMT_NOEXCEPT;
++} // namespace detail
+ 
+ // Workaround a bug in MSVC2013 that prevents instantiation of format_float.
+-int (*instantiate_format_float)(double, int, detail::float_specs,
+-                                detail::buffer<char>&) = detail::format_float;
++int (*instantiate_format_float)(double, int, detail::float_specs, detail::buffer<char> &) = detail::format_float;
+ 
+-#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
+-template FMT_API detail::locale_ref::locale_ref(const std::locale& loc);
++#    ifndef FMT_STATIC_THOUSANDS_SEPARATOR
++template FMT_API detail::locale_ref::locale_ref(const std::locale &loc);
+ template FMT_API std::locale detail::locale_ref::get<std::locale>() const;
+-#endif
++#    endif
+ 
+ // Explicit instantiations for char.
+ 
+-template FMT_API std::string detail::grouping_impl<char>(locale_ref);
+-template FMT_API char detail::thousands_sep_impl(locale_ref);
++template FMT_API auto detail::thousands_sep_impl(locale_ref) -> thousands_sep_result<char>;
+ template FMT_API char detail::decimal_point_impl(locale_ref);
+ 
+-template FMT_API void detail::buffer<char>::append(const char*, const char*);
++template FMT_API void detail::buffer<char>::append(const char *, const char *);
+ 
+ template FMT_API void detail::vformat_to(
+-    detail::buffer<char>&, string_view,
+-    basic_format_args<FMT_BUFFER_CONTEXT(char)>, detail::locale_ref);
+-
+-template FMT_API int detail::snprintf_float(double, int, detail::float_specs,
+-                                            detail::buffer<char>&);
+-template FMT_API int detail::snprintf_float(long double, int,
+-                                            detail::float_specs,
+-                                            detail::buffer<char>&);
+-template FMT_API int detail::format_float(double, int, detail::float_specs,
+-                                          detail::buffer<char>&);
+-template FMT_API int detail::format_float(long double, int, detail::float_specs,
+-                                          detail::buffer<char>&);
++    detail::buffer<char> &, string_view, basic_format_args<FMT_BUFFER_CONTEXT(char)>, detail::locale_ref);
++
++template FMT_API int detail::snprintf_float(double, int, detail::float_specs, detail::buffer<char> &);
++template FMT_API int detail::snprintf_float(long double, int, detail::float_specs, detail::buffer<char> &);
++template FMT_API int detail::format_float(double, int, detail::float_specs, detail::buffer<char> &);
++template FMT_API int detail::format_float(long double, int, detail::float_specs, detail::buffer<char> &);
+ 
+ // Explicit instantiations for wchar_t.
+ 
+-template FMT_API std::string detail::grouping_impl<wchar_t>(locale_ref);
+-template FMT_API wchar_t detail::thousands_sep_impl(locale_ref);
++template FMT_API auto detail::thousands_sep_impl(locale_ref) -> thousands_sep_result<wchar_t>;
+ template FMT_API wchar_t detail::decimal_point_impl(locale_ref);
+ 
+-template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*,
+-                                                      const wchar_t*);
++template FMT_API void detail::buffer<wchar_t>::append(const wchar_t *, const wchar_t *);
++
++template struct detail::basic_data<void>;
++
+ FMT_END_NAMESPACE
++
+ #endif // !SPDLOG_FMT_EXTERNAL
diff --git a/spdlog-fmt8_tests.patch b/spdlog-fmt8_tests.patch
new file mode 100644
index 0000000..1798df2
--- /dev/null
+++ b/spdlog-fmt8_tests.patch
@@ -0,0 +1,22 @@
+From 5887744d8b6ddaa3044d1c59f06e2cf24b8e0349 Mon Sep 17 00:00:00 2001
+From: gabime <gmelman1@gmail.com>
+Date: Thu, 24 Jun 2021 15:58:25 +0300
+Subject: [PATCH] Fixed bin2hex to work with fmt v8
+
+---
+ include/spdlog/fmt/bin_to_hex.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/spdlog/fmt/bin_to_hex.h b/include/spdlog/fmt/bin_to_hex.h
+index 1e2b054b1..45bc8f7d8 100644
+--- a/include/spdlog/fmt/bin_to_hex.h
++++ b/include/spdlog/fmt/bin_to_hex.h
+@@ -209,7 +209,7 @@ struct formatter<spdlog::details::dump_info<T>>
+ 
+         if (put_positions)
+         {
+-            fmt::format_to(inserter, "{:<04X}: ", pos);
++            fmt::format_to(inserter, "{:04X}: ", pos);
+         }
+     }
+ };
diff --git a/spdlog.spec b/spdlog.spec
index ffab685..19a3b2a 100644
--- a/spdlog.spec
+++ b/spdlog.spec
@@ -9,7 +9,8 @@ URL:            https://github.com/gabime/%{name}
 Source0:        %{url}/archive/v%{version}.tar.gz
 
 # https://github.com/gabime/spdlog/issues/1975
-Patch100:       spdlog-fmt-8-fixes.patch
+Patch100:       %{name}-fmt8.patch
+Patch101:       %{name}-fmt8_tests.patch
 
 BuildRequires:  catch-devel >= 2.8.0
 BuildRequires:  cmake