diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5580a4f78..2b18a7680 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,7 +29,8 @@ jobs:
 
       - name: Install Haxe dependencies
         run: |
-          haxelib install hxcpp 4.2.1 --quiet
+          curl -LO https://github.com/HaxeFoundation/hxcpp/releases/download/v4.3.45/hxcpp-4.3.45.zip
+          haxelib install ./hxcpp-4.3.45.zip --quiet
           haxelib install format --quiet
           haxelib install hxp --quiet
 
@@ -201,7 +202,8 @@ jobs:
 
       - name: Install Haxe dependencies
         run: |
-          haxelib install hxcpp 4.2.1 --quiet
+          curl -LO https://github.com/HaxeFoundation/hxcpp/releases/download/v4.3.45/hxcpp-4.3.45.zip
+          haxelib install ./hxcpp-4.3.45.zip --quiet
           haxelib install format --quiet
           haxelib install hxp --quiet
 
@@ -298,7 +300,8 @@ jobs:
 
       - name: Install Haxe dependencies
         run: |
-          haxelib install hxcpp 4.2.1 --quiet
+          curl -LO https://github.com/HaxeFoundation/hxcpp/releases/download/v4.3.45/hxcpp-4.3.45.zip
+          haxelib install ./hxcpp-4.3.45.zip --quiet
           haxelib install format --quiet
           haxelib install hxp --quiet
 
@@ -367,7 +370,8 @@ jobs:
 
       - name: Install Haxe dependencies
         run: |
-          haxelib install hxcpp 4.2.1 --quiet
+          curl -LO https://github.com/HaxeFoundation/hxcpp/releases/download/v4.3.45/hxcpp-4.3.45.zip
+          haxelib install ./hxcpp-4.3.45.zip --quiet
           haxelib install format --quiet
           haxelib install hxp --quiet
 
@@ -430,7 +434,8 @@ jobs:
 
       - name: Install Haxe dependencies
         run: |
-          haxelib install hxcpp 4.2.1 --quiet
+          curl -LO https://github.com/HaxeFoundation/hxcpp/releases/download/v4.3.45/hxcpp-4.3.45.zip
+          haxelib install ./hxcpp-4.3.45.zip --quiet
           haxelib install format --quiet
           haxelib install hxp --quiet
           haxelib install svg --quiet
@@ -623,7 +628,8 @@ jobs:
 
       - name: Install Haxe dependencies
         run: |
-          haxelib install hxcpp 4.2.1 --quiet
+          curl -LO https://github.com/HaxeFoundation/hxcpp/releases/download/v4.3.45/hxcpp-4.3.45.zip
+          haxelib install ./hxcpp-4.3.45.zip --quiet
           haxelib install format --quiet
           haxelib install hxp --quiet
           haxelib git lime-samples https://github.com/openfl/lime-samples --quiet