diff --git a/_data/wcag-act-rules/implementations/alfa-assisted.json b/_data/wcag-act-rules/implementations/alfa-assisted.json
index 88221bf6..9cf184ad 100644
--- a/_data/wcag-act-rules/implementations/alfa-assisted.json
+++ b/_data/wcag-act-rules/implementations/alfa-assisted.json
@@ -2,7 +2,7 @@
   "vendor": "Siteimprove",
   "name": "Alfa (semi-automated)",
   "version": "0.80.0",
-  "lastModified": "17 June 2024",
+  "lastModified": "24 June 2024",
   "approvedRules": {
     "complete": 25,
     "partial": 0,
diff --git a/_data/wcag-act-rules/implementations/alfa.json b/_data/wcag-act-rules/implementations/alfa.json
index 6b1ec803..f00f95f5 100644
--- a/_data/wcag-act-rules/implementations/alfa.json
+++ b/_data/wcag-act-rules/implementations/alfa.json
@@ -2,7 +2,7 @@
   "vendor": "Siteimprove",
   "name": "Alfa (fully automated)",
   "version": "0.80.0",
-  "lastModified": "17 June 2024",
+  "lastModified": "24 June 2024",
   "approvedRules": {
     "complete": 24,
     "partial": 1,
diff --git a/content-assets/wcag-act-rules/earl/alfa-assisted.json b/content-assets/wcag-act-rules/earl/alfa-assisted.json
index 991bf855..163eae08 100644
--- a/content-assets/wcag-act-rules/earl/alfa-assisted.json
+++ b/content-assets/wcag-act-rules/earl/alfa-assisted.json
@@ -70,7 +70,7 @@
       "name": "Alfa",
       "release": {
         "@type": "Version",
-        "revision": "0.82.0"
+        "revision": "0.83.0"
       },
       "doap:url": "https://alfa.siteimprove.com"
     },
diff --git a/content-assets/wcag-act-rules/earl/alfa.json b/content-assets/wcag-act-rules/earl/alfa.json
index 523f606d..4f4ee219 100644
--- a/content-assets/wcag-act-rules/earl/alfa.json
+++ b/content-assets/wcag-act-rules/earl/alfa.json
@@ -70,7 +70,7 @@
       "name": "Alfa",
       "release": {
         "@type": "Version",
-        "revision": "0.82.0"
+        "revision": "0.83.0"
       },
       "doap:url": "https://alfa.siteimprove.com"
     },