diff --git a/tools/arm_pack_manager/index.json b/tools/arm_pack_manager/index.json
index 0fe5a9deb27..290bbe2fa26 100644
--- a/tools/arm_pack_manager/index.json
+++ b/tools/arm_pack_manager/index.json
@@ -374249,7 +374249,40 @@
                 "units": 1
             }
         }, 
-        "sectors": null, 
+        "sectors": [
+          [
+            134217728,
+            16384
+          ],
+          [
+            134234112,
+            16384
+          ],
+          [
+            134250496,
+            16384
+          ],
+          [
+            134266880,
+            16384
+          ],
+          [
+            134283264,
+            65536
+          ],
+          [
+            134348800,
+            131072
+          ],
+          [
+            134479872,
+            131072
+          ],
+          [
+            134610944,
+            131072
+          ]
+        ],
         "sub_family": "STM32F446",
         "vendor": "STMicroelectronics:13"
     }, 
@@ -374328,7 +374361,40 @@
                 "units": 1
             }
         }, 
-        "sectors": null, 
+        "sectors": [
+          [
+            134217728,
+            16384
+          ],
+          [
+            134234112,
+            16384
+          ],
+          [
+            134250496,
+            16384
+          ],
+          [
+            134266880,
+            16384
+          ],
+          [
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+            65536
+          ],
+          [
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+            131072
+          ],
+          [
+            134479872,
+            131072
+          ],
+          [
+            134610944,
+            131072
+          ]
+        ],
         "sub_family": "STM32F446",
         "vendor": "STMicroelectronics:13"
     }, 
@@ -374407,7 +374473,40 @@
                 "units": 1
             }
         }, 
-        "sectors": null, 
+        "sectors": [
+          [
+            134217728,
+            16384
+          ],
+          [
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+            16384
+          ],
+          [
+            134250496,
+            16384
+          ],
+          [
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+            16384
+          ],
+          [
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+            65536
+          ],
+          [
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+            131072
+          ],
+          [
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+            131072
+          ],
+          [
+            134610944,
+            131072
+          ]
+        ],
         "sub_family": "STM32F446",
         "vendor": "STMicroelectronics:13"
     },