diff --git a/.ado/jobs/npm-publish.yml b/.ado/jobs/npm-publish.yml
index ff11ce9f2e2d7f..01b83311b41c0f 100644
--- a/.ado/jobs/npm-publish.yml
+++ b/.ado/jobs/npm-publish.yml
@@ -76,8 +76,8 @@ jobs:
               yarn ./packages/react-native npm publish --tag $(publishTag)
             else
               echo "Publishing with npm publish"
-              npm publish ./packages/virtualized-lists --tag $(npmDistTag) --registry https://registry.npmjs.org/ --//registry.npmjs.org/:_authToken=$(npmAuthToken)
-              npm publish ./packages/react-native      --tag $(npmDistTag) --registry https://registry.npmjs.org/ --//registry.npmjs.org/:_authToken=$(npmAuthToken)
+              npm publish ./packages/virtualized-lists --tag $(publishTag) --registry https://registry.npmjs.org/ --//registry.npmjs.org/:_authToken=$(npmAuthToken)
+              npm publish ./packages/react-native      --tag $(publishTag) --registry https://registry.npmjs.org/ --//registry.npmjs.org/:_authToken=$(npmAuthToken)
             fi
           fi
         displayName: Publish packages
diff --git a/.nx/version-plans/version-plan-1754530314848.md b/.nx/version-plans/version-plan-1754530314848.md
new file mode 100644
index 00000000000000..ed0421aeeb779c
--- /dev/null
+++ b/.nx/version-plans/version-plan-1754530314848.md
@@ -0,0 +1,5 @@
+---
+__default__: patch
+---
+
+Sync to upstream React Native 0.78.3 release
diff --git a/packages/react-native/Libraries/Core/ReactNativeVersion.js b/packages/react-native/Libraries/Core/ReactNativeVersion.js
index 991bf54d62879f..ac3392116916fc 100644
--- a/packages/react-native/Libraries/Core/ReactNativeVersion.js
+++ b/packages/react-native/Libraries/Core/ReactNativeVersion.js
@@ -16,7 +16,7 @@ const version: $ReadOnly<{
 }> = {
   major: 0,
   minor: 78,
-  patch: 6,
+  patch: 5,
   prerelease: null,
 };
 
diff --git a/packages/react-native/React/Base/RCTVersion.m b/packages/react-native/React/Base/RCTVersion.m
index eddd96fa0bd76f..880ba5615c3b67 100644
--- a/packages/react-native/React/Base/RCTVersion.m
+++ b/packages/react-native/React/Base/RCTVersion.m
@@ -23,7 +23,7 @@
     __rnVersion = @{
                   RCTVersionMajor: @(0),
                   RCTVersionMinor: @(78),
-                  RCTVersionPatch: @(6),
+                  RCTVersionPatch: @(5),
                   RCTVersionPrerelease: [NSNull null],
                   };
   });
diff --git a/packages/react-native/ReactAndroid/gradle.properties b/packages/react-native/ReactAndroid/gradle.properties
index 247cf02e25d483..814e272d10d16e 100644
--- a/packages/react-native/ReactAndroid/gradle.properties
+++ b/packages/react-native/ReactAndroid/gradle.properties
@@ -1,4 +1,4 @@
-VERSION_NAME=0.78.6
+VERSION_NAME=0.78.5
 react.internal.publishingGroup=com.facebook.react
 
 android.useAndroidX=true
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java
index 3f6694b8380f5c..27ba30eeb9124c 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java
@@ -17,6 +17,6 @@ public class ReactNativeVersion {
   public static final Map<String, Object> VERSION = MapBuilder.<String, Object>of(
       "major", 0,
       "minor", 78,
-      "patch", 6,
+      "patch", 5,
       "prerelease", null);
 }
diff --git a/packages/react-native/ReactCommon/cxxreact/ReactNativeVersion.h b/packages/react-native/ReactCommon/cxxreact/ReactNativeVersion.h
index 6b2bc68eb40ae5..916e3751e1f377 100644
--- a/packages/react-native/ReactCommon/cxxreact/ReactNativeVersion.h
+++ b/packages/react-native/ReactCommon/cxxreact/ReactNativeVersion.h
@@ -17,7 +17,7 @@ namespace facebook::react {
 constexpr struct {
   int32_t Major = 0;
   int32_t Minor = 78;
-  int32_t Patch = 6;
+  int32_t Patch = 5;
   std::string_view Prerelease = "";
 } ReactNativeVersion;
 
diff --git a/packages/react-native/package.json b/packages/react-native/package.json
index 6c7244b7e1bfc2..8fb6eb51e30e23 100644
--- a/packages/react-native/package.json
+++ b/packages/react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-macos",
-  "version": "0.78.6",
+  "version": "0.78.5",
   "description": "React Native for macOS",
   "license": "MIT",
   "repository": {
@@ -111,7 +111,7 @@
   },
   "dependencies": {
     "@jest/create-cache-key-function": "^29.6.3",
-    "@react-native-macos/virtualized-lists": "0.78.6",
+    "@react-native-macos/virtualized-lists": "0.78.5",
     "@react-native/assets-registry": "0.78.3",
     "@react-native/codegen": "0.78.3",
     "@react-native/community-cli-plugin": "0.78.3",
diff --git a/packages/virtualized-lists/package.json b/packages/virtualized-lists/package.json
index 18aa557f866206..5f95bf17b2ebd5 100644
--- a/packages/virtualized-lists/package.json
+++ b/packages/virtualized-lists/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@react-native-macos/virtualized-lists",
-  "version": "0.78.6",
+  "version": "0.78.5",
   "description": "Virtualized lists for React Native macOS.",
   "license": "MIT",
   "repository": {
diff --git a/yarn.lock b/yarn.lock
index 42e07e7f52bf0e..ce85b50eecb71e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2803,7 +2803,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@react-native-macos/virtualized-lists@npm:0.78.6, @react-native-macos/virtualized-lists@workspace:packages/virtualized-lists":
+"@react-native-macos/virtualized-lists@npm:0.78.5, @react-native-macos/virtualized-lists@workspace:packages/virtualized-lists":
   version: 0.0.0-use.local
   resolution: "@react-native-macos/virtualized-lists@workspace:packages/virtualized-lists"
   dependencies:
@@ -10904,7 +10904,7 @@ __metadata:
   resolution: "react-native-macos@workspace:packages/react-native"
   dependencies:
     "@jest/create-cache-key-function": "npm:^29.6.3"
-    "@react-native-macos/virtualized-lists": "npm:0.78.6"
+    "@react-native-macos/virtualized-lists": "npm:0.78.5"
     "@react-native/assets-registry": "npm:0.78.3"
     "@react-native/codegen": "npm:0.78.3"
     "@react-native/community-cli-plugin": "npm:0.78.3"