diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index c50835930c0419383d6b80ba5faa7281b48a85bc..768817c003c4329f0d385859c5f3a4968905d297 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -32,7 +32,7 @@ packages:
     - +root +zlib
   algorithms:
     require:
-    - '@main'
+    - '@git.ebc8f85709bc7233574843b843ee0191a5bf3c1d'
   cairo:
     require:
     - '@1.16.0'