diff --git a/ports/fmt/fix-format-conflict.patch b/ports/fmt/fix-format-conflict.patch
index 3d97c5c9ef..0a2ac6a57a 100644
--- a/ports/fmt/fix-format-conflict.patch
+++ b/ports/fmt/fix-format-conflict.patch
@@ -1,8 +1,8 @@
 diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
-index 2c51c50..fb3eba0 100644
+index f44df01c..59cc4559 100644
 --- a/include/fmt/format-inl.h
 +++ b/include/fmt/format-inl.h
-@@ -75,8 +75,8 @@ FMT_FUNC void format_error_code(detail::buffer<char>& out, int error_code,
+@@ -62,8 +62,8 @@ FMT_FUNC void format_error_code(detail::buffer<char>& out, int error_code,
    error_code_size += detail::to_unsigned(detail::count_digits(abs_value));
    auto it = buffer_appender<char>(out);
    if (message.size() <= inline_buffer_size - error_code_size)
@@ -13,16 +13,3 @@ index 2c51c50..fb3eba0 100644
    FMT_ASSERT(out.size() <= inline_buffer_size, "");
  }
  
-diff --git a/src/os.cc b/src/os.cc
-index 04b4dc5..fe2c7e4 100644
---- a/src/os.cc
-+++ b/src/os.cc
-@@ -167,7 +167,7 @@ void detail::format_windows_error(detail::buffer<char>& out, int error_code,
-     if (msg) {
-       utf16_to_utf8 utf8_message;
-       if (utf8_message.convert(msg) == ERROR_SUCCESS) {
--        format_to(buffer_appender<char>(out), "{}: {}", message, utf8_message);
-+        fmt::format_to(buffer_appender<char>(out), "{}: {}", message, utf8_message);
-         return;
-       }
-     }
diff --git a/ports/fmt/fix-invalid-command.patch b/ports/fmt/fix-invalid-command.patch
deleted file mode 100644
index c554188bdd..0000000000
--- a/ports/fmt/fix-invalid-command.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff --git a/include/fmt/locale.h b/include/fmt/locale.h
-index 7571b52..0a34eb4 100644
---- a/include/fmt/locale.h
-+++ b/include/fmt/locale.h
-@@ -1,2 +1,6 @@
- #include "xchar.h"
-+#ifdef _WIN32
-+#pragma message ("fmt/locale.h is deprecated, include fmt/format.h or fmt/xchar.h instead")
-+#else
- #warning fmt/locale.h is deprecated, include fmt/format.h or fmt/xchar.h instead
-+#endif
diff --git a/ports/fmt/portfile.cmake b/ports/fmt/portfile.cmake
index db01678275..33558c894d 100644
--- a/ports/fmt/portfile.cmake
+++ b/ports/fmt/portfile.cmake
@@ -1,12 +1,11 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO fmtlib/fmt
-    REF 8.1.1
-    SHA512 794a47d7cb352a2a9f2c050a60a46b002e4157e5ad23e15a5afc668e852b1e1847aeee3cda79e266c789ff79310d792060c94976ceef6352e322d60b94e23189
+    REF 9.0.0
+    SHA512 f9612a53c93654753572ac038e52c683f3485691493750d5c2fdb48f3a769e181bfeab8035041cae02bf14cd67df30ec3c5614d7db913f85699cd9da8072bdf8
     HEAD_REF master
     PATCHES
         fix-write-batch.patch
-        fix-invalid-command.patch
         fix-format-conflict.patch
 )
 
diff --git a/ports/fmt/vcpkg.json b/ports/fmt/vcpkg.json
index 28a1f11a38..a98bb9a53f 100644
--- a/ports/fmt/vcpkg.json
+++ b/ports/fmt/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "fmt",
-  "version": "8.1.1",
-  "port-version": 2,
+  "version": "9.0.0",
   "description": "Formatting library for C++. It can be used as a safe alternative to printf or as a fast alternative to IOStreams.",
   "homepage": "https://github.com/fmtlib/fmt",
   "license": null,
diff --git a/versions/baseline.json b/versions/baseline.json
index 7f2a86c5bf..6e96a585e1 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2325,8 +2325,8 @@
       "port-version": 4
     },
     "fmt": {
-      "baseline": "8.1.1",
-      "port-version": 2
+      "baseline": "9.0.0",
+      "port-version": 0
     },
     "folly": {
       "baseline": "2022.07.11.00",
diff --git a/versions/f-/fmt.json b/versions/f-/fmt.json
index 1b05965f08..c03fc52dde 100644
--- a/versions/f-/fmt.json
+++ b/versions/f-/fmt.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "9268e89cdadcbb0a54357f47b343004200970a02",
+      "version": "9.0.0",
+      "port-version": 0
+    },
     {
       "git-tree": "1f0a5cf3aa202e9833dcc5d3fa36688ecf295ca4",
       "version": "8.1.1",