diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2869066..1236ec1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,8 +61,6 @@ jobs:
         - nightly
         - 4.3.6
         - 4.2.5
-        - 4.1.5
-        - 4.0.5
     with:
       haxe-reusable-workflows-version: dev
 
diff --git a/README.md b/README.md
index 2c3809c..9030f9e 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ within FlashDevelop.
 |0.1.0 to 1.1.4  |3.2.1 or higher|
 |1.2.0 to 2.0.1  |3.4.2 or higher|
 |3.0.0 or higher |4.0.5 or higher|
+|3.3.0 or higher |4.2.0 or higher|
 
 
 ## <a name="declaring-test-assertions"></a>Declaring test assertions
diff --git a/src/hx/doctest/internal/Macros.hx b/src/hx/doctest/internal/Macros.hx
index c15744e..21f7b5f 100644
--- a/src/hx/doctest/internal/Macros.hx
+++ b/src/hx/doctest/internal/Macros.hx
@@ -14,23 +14,17 @@ import haxe.macro.*;
 @:noCompletion
 class Macros {
 
-   #if (haxe_ver < 4)
+   #if (haxe_ver < 4.2)
       static var __static_init(default, never) = {
-         throw '[ERROR] As of haxe-doctest 3.0.0, Haxe 4.x or higher is required!';
+         throw '[ERROR] Haxe 4.2 or higher is required!';
       };
    #end
 
 
    macro //
    public static function configureNullSafety() {
-      #if (haxe_ver >= 4)
-         haxe.macro.Compiler.nullSafety("hx.doctest",
-            #if (haxe_ver < 4.1)
-               Strict // Haxe 4.x does not have StrictThreaded
-            #else
-               StrictThreaded
-            #end
-         );
+      #if (haxe_ver >= 4.2)
+         haxe.macro.Compiler.nullSafety("hx.doctest", StrictThreaded);
       #end
       return macro {}
    }