diff --git a/api/Navigator.json b/api/Navigator.json
index a8c18e1c9ccccb..e74bc8cba96ccd 100644
--- a/api/Navigator.json
+++ b/api/Navigator.json
@@ -4963,7 +4963,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
diff --git a/api/Permissions.json b/api/Permissions.json
index 934629ed074df5..5f72b8ee56520d 100644
--- a/api/Permissions.json
+++ b/api/Permissions.json
@@ -655,7 +655,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
diff --git a/api/WakeLock.json b/api/WakeLock.json
index 1c89186acb91c8..8003b6d79b27a8 100644
--- a/api/WakeLock.json
+++ b/api/WakeLock.json
@@ -14,7 +14,7 @@
           "chrome_android": "mirror",
           "edge": "mirror",
           "firefox": {
-            "version_added": "preview"
+            "version_added": "124"
           },
           "firefox_android": "mirror",
           "ie": {
@@ -54,7 +54,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
diff --git a/api/WakeLockSentinel.json b/api/WakeLockSentinel.json
index 03f6ddec67d84d..5b2b29f98e9454 100644
--- a/api/WakeLockSentinel.json
+++ b/api/WakeLockSentinel.json
@@ -14,7 +14,7 @@
           "chrome_android": "mirror",
           "edge": "mirror",
           "firefox": {
-            "version_added": "preview"
+            "version_added": "124"
           },
           "firefox_android": "mirror",
           "ie": {
@@ -54,7 +54,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
@@ -96,7 +96,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
@@ -137,7 +137,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
@@ -178,7 +178,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "preview"
+              "version_added": "124"
             },
             "firefox_android": "mirror",
             "ie": {
diff --git a/http/headers/Permissions-Policy.json b/http/headers/Permissions-Policy.json
index 18229a0c0ef158..9f80f08b54dd02 100644
--- a/http/headers/Permissions-Policy.json
+++ b/http/headers/Permissions-Policy.json
@@ -1258,7 +1258,7 @@
               "chrome_android": "mirror",
               "edge": "mirror",
               "firefox": {
-                "version_added": "preview"
+                "version_added": "124"
               },
               "firefox_android": "mirror",
               "ie": {