diff --git a/packages/react-native/gradle/libs.versions.toml b/packages/react-native/gradle/libs.versions.toml
index f0902b7441de..3f151489852e 100644
--- a/packages/react-native/gradle/libs.versions.toml
+++ b/packages/react-native/gradle/libs.versions.toml
@@ -43,7 +43,7 @@ yoga-proguard-annotations = "1.19.0"
 boost="1_83_0"
 doubleconversion="1.1.6"
 fastFloat="8.0.0"
-fmt="11.0.2"
+fmt="12.1.0" # [macOS]
 folly="2024.11.18.00"
 glog="0.3.5"
 gflags="2.2.0"
diff --git a/packages/react-native/third-party-podspecs/RCT-Folly.podspec b/packages/react-native/third-party-podspecs/RCT-Folly.podspec
index 8852179b6ce2..91473b182510 100644
--- a/packages/react-native/third-party-podspecs/RCT-Folly.podspec
+++ b/packages/react-native/third-party-podspecs/RCT-Folly.podspec
@@ -25,7 +25,7 @@ Pod::Spec.new do |spec|
   spec.dependency "DoubleConversion"
   spec.dependency "glog"
   spec.dependency "fast_float", "8.0.0"
-  spec.dependency "fmt", "11.0.2"
+  spec.dependency "fmt", "12.1.0" # [macOS]
   spec.compiler_flags = '-Wno-documentation -faligned-new'
   spec.source_files = 'folly/String.cpp',
                       'folly/Conv.cpp',
diff --git a/packages/react-native/third-party-podspecs/fmt.podspec b/packages/react-native/third-party-podspecs/fmt.podspec
index 2f38990e226c..32469c0502ad 100644
--- a/packages/react-native/third-party-podspecs/fmt.podspec
+++ b/packages/react-native/third-party-podspecs/fmt.podspec
@@ -8,14 +8,14 @@ fmt_git_url = fmt_config[:git]
 
 Pod::Spec.new do |spec|
   spec.name = "fmt"
-  spec.version = "11.0.2"
+  spec.version = "12.1.0" # [macOS]
   spec.license = { :type => "MIT" }
   spec.homepage = "https://github.com/fmtlib/fmt"
   spec.summary = "{fmt} is an open-source formatting library for C++. It can be used as a safe and fast alternative to (s)printf and iostreams."
   spec.authors = "The fmt contributors"
   spec.source = {
     :git => fmt_git_url,
-    :tag => "11.0.2"
+    :tag => "12.1.0" # [macOS]
   }
   spec.pod_target_xcconfig = {
     "CLANG_CXX_LANGUAGE_STANDARD" => rct_cxx_language_standard(),
diff --git a/packages/rn-tester/Podfile.lock b/packages/rn-tester/Podfile.lock
index 531bb9933da7..52dd1a9ed845 100644
--- a/packages/rn-tester/Podfile.lock
+++ b/packages/rn-tester/Podfile.lock
@@ -3,7 +3,7 @@ PODS:
   - DoubleConversion (1.1.6)
   - fast_float (8.0.0)
   - FBLazyVector (1000.0.0)
-  - fmt (11.0.2)
+  - fmt (12.1.0)
   - glog (0.3.5)
   - hermes-engine (1000.0.0):
     - hermes-engine/cdp (= 1000.0.0)
@@ -105,20 +105,20 @@ PODS:
     - boost
     - DoubleConversion
     - fast_float (= 8.0.0)
-    - fmt (= 11.0.2)
+    - fmt (= 12.1.0)
     - glog
     - RCT-Folly/Default (= 2024.11.18.00)
   - RCT-Folly/Default (2024.11.18.00):
     - boost
     - DoubleConversion
     - fast_float (= 8.0.0)
-    - fmt (= 11.0.2)
+    - fmt (= 12.1.0)
     - glog
   - RCT-Folly/Fabric (2024.11.18.00):
     - boost
     - DoubleConversion
     - fast_float (= 8.0.0)
-    - fmt (= 11.0.2)
+    - fmt (= 12.1.0)
     - glog
   - RCTDeprecation (1000.0.0)
   - RCTRequired (1000.0.0)
@@ -2679,84 +2679,84 @@ SPEC CHECKSUMS:
   boost: cea1d4f90a3a59537f3deb03ff5656489d7133dd
   DoubleConversion: d31b1eb37f6d6f456530c4fd9124b857d6889cab
   fast_float: 20817c22759af6ac8d4d67e6e059b8b499953656
-  FBLazyVector: 914c9db4fc55ebdf6ca840799db116f673245cff
-  fmt: 24e7591456deb60b4a77518f83d9a916ac84223f
+  FBLazyVector: 572dbc63e4b51498ae4062f73c44d181241109bc
+  fmt: 4cf0c5ec5864511c96d8d4bd7b03c3c69040af06
   glog: 0b31c25149b9d350b2666c7d459229861a00ec07
   hermes-engine: 6685af7f27b851cd7fa2675bdeef4b291383b2fc
   MyNativeView: 316327f1077af5d1128139107735a39c777fecb6
   NativeCxxModuleExample: 19f7030867ae90b242869ee22a0aaa8a1174c706
   OCMock: 589f2c84dacb1f5aaf6e4cec1f292551fe748e74
   OSSLibraryExample: 5105eecb9aa325c0d65c59023fd8dc5f5753e777
-  RCT-Folly: c803cf33238782d5fd21a5e02d44f64068e0e130
+  RCT-Folly: 14429050d15aea0b132e4c2ff5e743b910fbe9af
   RCTDeprecation: 3808e36294137f9ee5668f4df2e73dc079cd1dcf
-  RCTRequired: ea0ce8633d6bd7e3c6474d3671affae3341e4dc7
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-  React-CoreModules: 573b5285aba4bf0f5ba4ed90c3154e60f212082c
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-  React-debug: 1ead1100ad889e248091bd145cb650150e11eb40
-  React-defaultsnativemodule: edfefda227f602dc0a907adbdcecd47507608803
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-  React-graphics: 95e8652a498eb47f1b5fc4defe85318c1ed7166b
-  React-hermes: 79a9a00278feaa6b20a21db5dfb84cd7e78d27e8
-  React-idlecallbacksnativemodule: 800e3b67e01ec1b43f111d5a9a9667e2090c2009
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-  React-jsinspector: 4c53022eea40f9a4546bdc69f978437c99d4f222
-  React-jsinspectorcdp: 9c132f2ee0c42f279608e286c94be2ddd1e9cc3a
-  React-jsinspectornetwork: 67d88573d883db05960c41a929840289ba65dd11
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-  React-RCTFBReactNativeSpec: 7d23d9f871516227aa3fccd780bed6e3e4a0d77d
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-  ReactAppDependencyProvider: 3c17f982e7f11d565b8f74e6087f681c7c1136b6
+  RCTRequired: a90ba2a097df568cca3a67cc73fd64e453557072
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+  React: 258f6e73fc555f7fb53b5fabfc7a37688f386e27
+  React-callinvoker: f74849c7eade23570d1ae6cea15a94108e870761
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+  React-FabricComponents: 693f0b7e30875d3d6d7bcf12b35fb39c258a540b
+  React-FabricImage: 447d06cc801eff99666e3c70efb76a621bc34cd7
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+  React-featureflagsnativemodule: 07b3f9201bbdfde1b28321f07f39e6dd80323d66
+  React-graphics: 0563863cd702ca0eb3d3288a7b726517685d00f8
+  React-hermes: 4700bfaa6105ca3dc684f71b692b02ba88f36c6f
+  React-idlecallbacksnativemodule: fc18902eed918a252e48a068109f0e0127ec1417
+  React-ImageManager: 0b0bb413188df3441e30cbf731d92866d84bc17e
+  React-jserrorhandler: 09ad04a02144f1a08b9955347778ad4be9dfef5e
+  React-jsi: b191cadfec4952c0121b78d279ddaecc87962111
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+  React-timing: ddd95b1504589a83a34ac30a244ba8357772e4f3
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+  ReactAppDependencyProvider: 75fae02009f2c1b55fbf5181262176234324cfc4
   ReactCodegen: 45d2e543e9f1958ea9cf32b87ffa06b550db3683
-  ReactCommon: ab506150f9eed0c6c25f026a08af7f111b0b1b97
-  ReactCommon-Samples: 7b6f99c4187348cd1d5d14dbe0c1035d6dd8c252
+  ReactCommon: 777ceb7b72ae01e1719609377d0f7afcd1e8076c
+  ReactCommon-Samples: 7b876a918f955f22148121312c6afe7f2388567b
   ScreenshotManager: 10713952cbe264b56dfd36670e881ddd028daef5
   SocketRocket: d4aabe649be1e368d1318fdf28a022d714d65748
-  Yoga: 8e66b322d82c0b90948545deba6b4b29f3f4a587
+  Yoga: c545d09f4787a6d356ffbaf2e8b4b7e2f0c83fc0
 
 PODFILE CHECKSUM: 86f155f7e9c92081bc7cd14b59aa0c1774a88f73
 
diff --git a/scripts/releases/ios-prebuild/configuration.js b/scripts/releases/ios-prebuild/configuration.js
index 5719eaf3d13d..180df44fb322 100644
--- a/scripts/releases/ios-prebuild/configuration.js
+++ b/scripts/releases/ios-prebuild/configuration.js
@@ -80,9 +80,9 @@ const dependencies /*: $ReadOnlyArray<Dependency> */ = [
   },
   {
     name: 'fmt',
-    version: '11.0.2',
+    version: '12.1.0', // [macOS]
     url: new URL(
-      'https://github.com/fmtlib/fmt/archive/refs/tags/11.0.2.tar.gz',
+      'https://github.com/fmtlib/fmt/archive/refs/tags/12.1.0.tar.gz', // [macOS]
     ),
     files: {
       sources: ['src/format.cc', 'include/fmt/*.h'],