diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c829331..c5c38a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,21 +12,21 @@ jobs:
     strategy:
       matrix:
         include:
-          - mw: 'REL1_39'
+          - mw: 'REL1_43'
             php: '8.1'
             experimental: false
-          - mw: 'REL1_41'
+          - mw: 'REL1_44'
             php: '8.2'
             experimental: false
-          - mw: 'REL1_42'
-            php: '8.3'
-            experimental: false
-          - mw: 'REL1_43'
+          - mw: 'REL1_45'
             php: '8.3'
             experimental: false
           - mw: 'master'
             php: '8.4'
             experimental: true
+          - mw: 'master'
+            php: '8.5'
+            experimental: true
 
     runs-on: ubuntu-latest
 
@@ -115,7 +115,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - mw: 'REL1_41'
+          - mw: 'REL1_43'
             php: '8.1'
 
     runs-on: ubuntu-latest
@@ -181,7 +181,7 @@ jobs:
       strategy:
         matrix:
           include:
-            - mw: 'REL1_41'
+            - mw: 'REL1_43'
               php: '8.1'
 
       runs-on: ubuntu-latest
@@ -247,7 +247,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - mw: 'REL1_41'
+          - mw: 'REL1_43'
             php: '8.2'
 
     runs-on: ubuntu-latest
diff --git a/README.md b/README.md
index 02e661b..553dbec 100644
--- a/README.md
+++ b/README.md
@@ -57,8 +57,8 @@ Lua module examples:
 
 Platform requirements:
 
-* [PHP] 8.1 or later (tested up to 8.3)
-* [MediaWiki] 1.39 or later (tested up to 1.43)
+* [PHP] 8.1 or later (tested up to 8.5)
+* [MediaWiki] 1.43 or later (tested up to 1.45)
 * [Scribunto] and lua
 
 We also recommend installing the [CodeEditor extension]
@@ -126,6 +126,10 @@ these files with `make stan-baseline` and `make psalm-baseline`.
 
 ## Release Notes
 
+### Version 2.0.0 - Under development
+
+* Raised the minimum MediaWiki version from 1.39 to 1.43
+
 ### Version 1.0.0 - 2023-11-24
 
 * Lua binding `SPARQL.runQuery` to execute SPARQL queries and return the results as a Lua table
diff --git a/extension.json b/extension.json
index 36ac3e5..816e7d0 100644
--- a/extension.json
+++ b/extension.json
@@ -1,7 +1,7 @@
 {
 	"name": "SPARQL",
 
-	"version": "1.0.0",
+	"version": "2.0.0-dev",
 
 	"author": [
 		"[https://Professional.Wiki/ Professional.Wiki]"
@@ -14,7 +14,7 @@
 	"descriptionmsg": "sparql-description",
 
 	"requires": {
-		"MediaWiki": ">= 1.39.0",
+		"MediaWiki": ">= 1.43.0",
 		"extensions": {
 			"Scribunto": "*"
 		}