diff --git a/package_esp32_dev_index.json b/package_esp32_dev_index.json
index edef8c5006d0132ae0faf8dceb0cb8f39f3d1020..2a97a91480c5459f7ec8248f16bd10aea417fa2f 100644
--- a/package_esp32_dev_index.json
+++ b/package_esp32_dev_index.json
@@ -64,7 +64,7 @@
             {
               "packager": "esp32",
               "name": "esptool_py",
-              "version": "4.5"
+              "version": "4.5.1"
             },
             {
               "packager": "esp32",
@@ -3247,6 +3247,61 @@
             }
           ]
         },
+        {
+          "name": "esptool_py",
+          "version": "4.5.1",
+          "systems": [
+            {
+              "host": "x86_64-pc-linux-gnu",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "i686-pc-linux-gnu",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "aarch64-linux-gnu",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "arm-linux-gnueabihf",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "x86_64-apple-darwin",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-macos.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-macos.tar.gz",
+              "checksum": "SHA-256:78b52acfd51541ceb97cee893b7d4d49b8ddc284602be8c73ea47e3d849e0956",
+              "size": "5850888"
+            },
+            {
+              "host": "x86_64-mingw32",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-win64.zip",
+              "archiveFileName": "esptool-v4.5.1-win64.zip",
+              "checksum": "SHA-256:64d0c24499d46b80d6bd7a05c98bdacc3455ab6d503cc2a99e35711310216045",
+              "size": "6638448"
+            },
+            {
+              "host": "i686-mingw32",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-win64.zip",
+              "archiveFileName": "esptool-v4.5.1-win64.zip",
+              "checksum": "SHA-256:64d0c24499d46b80d6bd7a05c98bdacc3455ab6d503cc2a99e35711310216045",
+              "size": "6638448"
+            }
+          ]
+        },
         {
           "name": "esptool_py",
           "version": "4.5",
diff --git a/package_esp32_index.json b/package_esp32_index.json
index 453549f36c2bab7e7dd1b1f3494814efda67932f..e80fa67809751785670fa0ee0f678d21d8bebe7e 100644
--- a/package_esp32_index.json
+++ b/package_esp32_index.json
@@ -64,7 +64,7 @@
             {
               "packager": "esp32",
               "name": "esptool_py",
-              "version": "4.5"
+              "version": "4.5.1"
             },
             {
               "packager": "esp32",
@@ -1962,6 +1962,61 @@
             }
           ]
         },
+        {
+          "name": "esptool_py",
+          "version": "4.5.1",
+          "systems": [
+            {
+              "host": "x86_64-pc-linux-gnu",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "i686-pc-linux-gnu",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "aarch64-linux-gnu",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "arm-linux-gnueabihf",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-src.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-src.tar.gz",
+              "checksum": "SHA-256:aa06831a7d88d8ccde4ea21241e983a08dbdae967290e181658b0d18bffc8f86",
+              "size": "96922"
+            },
+            {
+              "host": "x86_64-apple-darwin",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-macos.tar.gz",
+              "archiveFileName": "esptool-v4.5.1-macos.tar.gz",
+              "checksum": "SHA-256:78b52acfd51541ceb97cee893b7d4d49b8ddc284602be8c73ea47e3d849e0956",
+              "size": "5850888"
+            },
+            {
+              "host": "x86_64-mingw32",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-win64.zip",
+              "archiveFileName": "esptool-v4.5.1-win64.zip",
+              "checksum": "SHA-256:64d0c24499d46b80d6bd7a05c98bdacc3455ab6d503cc2a99e35711310216045",
+              "size": "6638448"
+            },
+            {
+              "host": "i686-mingw32",
+              "url": "https://github.com/espressif/arduino-esp32/releases/download/2.0.7/esptool-v4.5.1-win64.zip",
+              "archiveFileName": "esptool-v4.5.1-win64.zip",
+              "checksum": "SHA-256:64d0c24499d46b80d6bd7a05c98bdacc3455ab6d503cc2a99e35711310216045",
+              "size": "6638448"
+            }
+          ]
+        },
         {
           "name": "esptool_py",
           "version": "4.5",