diff --git a/.github/workflows/main/installDependencies.py b/.github/workflows/main/installDependencies.py
index 375b46d613a..21acacf4a15 100755
--- a/.github/workflows/main/installDependencies.py
+++ b/.github/workflows/main/installDependencies.py
@@ -49,7 +49,7 @@
 
 # Determine default archive URL.
 
-defaultURL = "https://github.com/GafferHQ/dependencies/releases/download/8.0.0a9/gafferDependencies-8.0.0a9-{platform}{buildEnvironment}.{extension}"
+defaultURL = "https://github.com/GafferHQ/dependencies/releases/download/8.0.0a10/gafferDependencies-8.0.0a10-{platform}{buildEnvironment}.{extension}"
 
 # Parse command line arguments.